core: update irq_arch documentation
core: update irq_arch documentation

dkm/RIOT,MonsterCode8000/RIOT,1blankz7/RIOT,automote/RIOT,mziegert/RIOT,dailab/RIOT,AnonMall/RIOT,RBartz/RIOT,AnonMall/RIOT,mziegert/RIOT,nsol-nmsu/RIOT,abp719/RIOT,openkosmosorg/RIOT,tfar/RIOT,nsol-nmsu/RIOT,emmanuelsearch/RIOT,MarkXYang/RIOT,zhuoshuguo/RIOT,BytesGalore/RIOT,altairpearl/RIOT,ant9000/RIOT,patkan/RIOT,gebart/RIOT,l3nko/RIOT,rajma996/RIOT,abkam07/RIOT,jhollister/RIOT,josephnoir/RIOT,dailab/RIOT,nsol-nmsu/RIOT,wentaoshang/RIOT,yogo1212/RIOT,MonsterCode8000/RIOT,openkosmosorg/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,roberthartung/RIOT,adjih/RIOT,DipSwitch/RIOT,luciotorre/RIOT,cladmi/RIOT,chris-wood/RIOT,avmelnikoff/RIOT,BytesGalore/RIOT,toonst/RIOT,jfischer-phytec-iot/RIOT,mziegert/RIOT,alex1818/RIOT,luciotorre/RIOT,herrfz/RIOT-old,emmanuelsearch/RIOT,Lexandro92/RIOT-CoAP,thiagohd/RIOT,chris-wood/RIOT,kerneltask/RIOT,josephnoir/RIOT,aeneby/RIOT,gbarnett/RIOT,DipSwitch/RIOT,centurysys/RIOT,rakendrathapa/RIOT,jhollister/RIOT,thiagohd/RIOT,PSHIVANI/Riot-Code,OTAkeys/RIOT,bartfaizoltan/RIOT,hamilton-mote/RIOT-OS,EmuxEvans/RIOT,rousselk/RIOT,abp719/RIOT,authmillenon/RIOT,gebart/RIOT,robixnai/RIOT,MonsterCode8000/RIOT,TobiasFredersdorf/RIOT,JensErdmann/RIOT,lebrush/RIOT,tfar/RIOT,automote/RIOT,haoyangyu/RIOT,herrfz/RIOT-old,alignan/RIOT,ant9000/RIOT,biboc/RIOT,ximus/RIOT,benoit-canet/RIOT,jasonatran/RIOT,jasonatran/RIOT,rfswarm/RIOT,shady33/RIOT,ThanhVic/RIOT,plushvoxel/RIOT,sumanpanchal/RIOT,automote/RIOT,Darredevil/RIOT,OTAkeys/RIOT,backenklee/RIOT,dkm/RIOT,tdautc19841202/RIOT,changbiao/RIOT,cladmi/RIOT,wentaoshang/RIOT,RBartz/RIOT,LudwigOrtmann/RIOT,tdautc19841202/RIOT,MarkXYang/RIOT,kbumsik/RIOT,Darredevil/RIOT,kb2ma/RIOT,katezilla/RIOT,openkosmosorg/RIOT,syin2/RIOT,A-Paul/RIOT,ks156/RIOT,brettswann/RIOT,beurdouche/RIOT,biboc/RIOT,rfuentess/RIOT,x3ro/RIOT,beurdouche/RIOT,msolters/RIOT,beurdouche/RIOT,TobiasFredersdorf/RIOT,sgso/RIOT,yogo1212/RIOT,kushalsingh007/RIOT,DipSwitch/RIOT,biboc/RIOT,kaleb-himes/RIOT,luciotorre/RIOT,robixnai/RIOT,brettswann/RIOT,DipSwitch/RIOT,benoit-canet/RIOT,zhuoshuguo/RIOT,EmuxEvans/RIOT,abp719/RIOT,authmillenon/RIOT,LudwigKnuepfer/RIOT,AnonMall/RIOT,immesys/RiSyn,jferreir/RIOT,FrancescoErmini/RIOT,jhollister/RIOT,katezilla/RIOT,alignan/RIOT,basilfx/RIOT,marcosalm/RIOT,lebrush/RIOT,kaspar030/RIOT,shady33/RIOT,backenklee/RIOT,rfswarm/RIOT,herrfz/RIOT-old,asanka-code/RIOT,A-Paul/RIOT,Yonezawa-T2/RIOT,sgso/RIOT,herrfz/RIOT-old,fnack/RIOT,neiljay/RIOT,RubikonAlpha/RIOT,tfar/RIOT,adrianghc/RIOT,rakendrathapa/RIOT,stevenj/RIOT,MarkXYang/RIOT,robixnai/RIOT,rousselk/RIOT,rakendrathapa/RIOT,Lexandro92/RIOT-CoAP,kb2ma/RIOT,RBartz/RIOT,aeneby/RIOT,alignan/RIOT,rakendrathapa/RIOT,ks156/RIOT,avmelnikoff/RIOT,avmelnikoff/RIOT,wentaoshang/RIOT,watr-li/RIOT,gbarnett/RIOT,MonsterCode8000/RIOT,jfischer-phytec-iot/RIOT,centurysys/RIOT,immesys/RiSyn,marcosalm/RIOT,khhhh/RIOT,ntrtrung/RIOT,malosek/RIOT,phiros/RIOT,mziegert/RIOT,ntrtrung/RIOT,arvindpdmn/RIOT,JensErdmann/RIOT,Josar/RIOT,rfswarm2/RIOT,koenning/RIOT,LudwigKnuepfer/RIOT,neiljay/RIOT,latsku/RIOT,attdona/RIOT,centurysys/RIOT,alignan/RIOT,miri64/RIOT,rajma996/RIOT,neumodisch/RIOT,kushalsingh007/RIOT,TobiasFredersdorf/RIOT,Ell-i/RIOT,brettswann/RIOT,jferreir/RIOT,thomaseichinger/RIOT,abp719/RIOT,jferreir/RIOT,koenning/RIOT,watr-li/RIOT,alex1818/RIOT,ntrtrung/RIOT,luciotorre/RIOT,khhhh/RIOT,khhhh/RIOT,syin2/RIOT,basilfx/RIOT,koenning/RIOT,malosek/RIOT,rfswarm/RIOT,brettswann/RIOT,kushalsingh007/RIOT,gautric/RIOT,Hyungsin/RIOT-OS,luciotorre/RIOT,A-Paul/RIOT,authmillenon/RIOT,haoyangyu/RIOT,automote/RIOT,khhhh/RIOT,RIOT-OS/RIOT,katezilla/RIOT,kerneltask/RIOT,kushalsingh007/RIOT,RubikonAlpha/RIOT,daniel-k/RIOT,changbiao/RIOT,ximus/RIOT,MohmadAyman/RIOT,robixnai/RIOT,kushalsingh007/RIOT,RIOT-OS/RIOT,gbarnett/RIOT,DipSwitch/RIOT,mtausig/RIOT,basilfx/RIOT,plushvoxel/RIOT,kerneltask/RIOT,smlng/RIOT,adjih/RIOT,mfrey/RIOT,x3ro/RIOT,kYc0o/RIOT,ntrtrung/RIOT,Hyungsin/RIOT-OS,kYc0o/RIOT,adjih/RIOT,attdona/RIOT,haoyangyu/RIOT,lebrush/RIOT,sgso/RIOT,Josar/RIOT,kaspar030/RIOT,openkosmosorg/RIOT,adrianghc/RIOT,OlegHahm/RIOT,ximus/RIOT,MonsterCode8000/RIOT,benoit-canet/RIOT,plushvoxel/RIOT,luciotorre/RIOT,abkam07/RIOT,daniel-k/RIOT,chris-wood/RIOT,jfischer-phytec-iot/RIOT,Josar/RIOT,sumanpanchal/RIOT,sumanpanchal/RIOT,brettswann/RIOT,brettswann/RIOT,mfrey/RIOT,ntrtrung/RIOT,alex1818/RIOT,roberthartung/RIOT,alex1818/RIOT,altairpearl/RIOT,latsku/RIOT,changbiao/RIOT,watr-li/RIOT,hamilton-mote/RIOT-OS,RubikonAlpha/RIOT,neumodisch/RIOT,abp719/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,josephnoir/RIOT,aeneby/RIOT,gautric/RIOT,mtausig/RIOT,d00616/RIOT,rousselk/RIOT,mfrey/RIOT,Darredevil/RIOT,rousselk/RIOT,rfswarm2/RIOT,patkan/RIOT,OlegHahm/RIOT,Yonezawa-T2/RIOT,arvindpdmn/RIOT,rousselk/RIOT,abkam07/RIOT,FrancescoErmini/RIOT,emmanuelsearch/RIOT,zhuoshuguo/RIOT,backenklee/RIOT,yogo1212/RIOT,Yonezawa-T2/RIOT,tdautc19841202/RIOT,ximus/RIOT,mtausig/RIOT,msolters/RIOT,centurysys/RIOT,phiros/RIOT,Hyungsin/RIOT-OS,binarylemon/RIOT,kaleb-himes/RIOT,tfar/RIOT,kb2ma/RIOT,koenning/RIOT,Darredevil/RIOT,OlegHahm/RIOT,miri64/RIOT,kYc0o/RIOT,openkosmosorg/RIOT,kbumsik/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,toonst/RIOT,jbeyerstedt/RIOT-OTA-update,dhruvvyas90/RIOT,Osblouf/RIOT,cladmi/RIOT,miri64/RIOT,herrfz/RIOT,tfar/RIOT,ant9000/RIOT,plushvoxel/RIOT,kbumsik/RIOT,OTAkeys/RIOT,Darredevil/RIOT,bartfaizoltan/RIOT,1blankz7/RIOT,Yonezawa-T2/RIOT,bartfaizoltan/RIOT,jasonatran/RIOT,kYc0o/RIOT,herrfz/RIOT,l3nko/RIOT,attdona/RIOT,MohmadAyman/RIOT,latsku/RIOT,OTAkeys/RIOT,PSHIVANI/Riot-Code,patkan/RIOT,backenklee/RIOT,sumanpanchal/RIOT,fnack/RIOT,wentaoshang/RIOT,neiljay/RIOT,LudwigOrtmann/RIOT,nsol-nmsu/RIOT,Darredevil/RIOT,hamilton-mote/RIOT-OS,dailab/RIOT,ant9000/RIOT,kb2ma/RIOT,roberthartung/RIOT,LudwigKnuepfer/RIOT,ThanhVic/RIOT,jferreir/RIOT,jhollister/RIOT,MohmadAyman/RIOT,lazytech-org/RIOT,ntrtrung/RIOT,mtausig/RIOT,BytesGalore/RIOT,herrfz/RIOT,Lexandro92/RIOT-CoAP,marcosalm/RIOT,asanka-code/RIOT,miri64/RIOT,rajma996/RIOT,kaleb-himes/RIOT,shady33/RIOT,adrianghc/RIOT,TobiasFredersdorf/RIOT,LudwigOrtmann/RIOT,chris-wood/RIOT,adjih/RIOT,toonst/RIOT,RubikonAlpha/RIOT,hamilton-mote/RIOT-OS,phiros/RIOT,binarylemon/RIOT,jremmert-phytec-iot/RIOT,automote/RIOT,mfrey/RIOT,ant9000/RIOT,phiros/RIOT,syin2/RIOT,dhruvvyas90/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,abkam07/RIOT,jremmert-phytec-iot/RIOT,rfswarm2/RIOT,malosek/RIOT,FrancescoErmini/RIOT,immesys/RiSyn,d00616/RIOT,gautric/RIOT,herrfz/RIOT,benoit-canet/RIOT,rajma996/RIOT,Osblouf/RIOT,msolters/RIOT,smlng/RIOT,benoit-canet/RIOT,MohmadAyman/RIOT,Osblouf/RIOT,PSHIVANI/Riot-Code,emmanuelsearch/RIOT,arvindpdmn/RIOT,yogo1212/RIOT,l3nko/RIOT,asanka-code/RIOT,Yonezawa-T2/RIOT,stevenj/RIOT,koenning/RIOT,marcosalm/RIOT,latsku/RIOT,lebrush/RIOT,Ell-i/RIOT,Hyungsin/RIOT-OS,JensErdmann/RIOT,Hyungsin/RIOT-OS,rfuentess/RIOT,rajma996/RIOT,ThanhVic/RIOT,RubikonAlpha/RIOT,1blankz7/RIOT,binarylemon/RIOT,rfswarm2/RIOT,robixnai/RIOT,yogo1212/RIOT,sgso/RIOT,EmuxEvans/RIOT,rfswarm2/RIOT,kerneltask/RIOT,asanka-code/RIOT,changbiao/RIOT,kaspar030/RIOT,d00616/RIOT,Lexandro92/RIOT-CoAP,ximus/RIOT,neumodisch/RIOT,l3nko/RIOT,DipSwitch/RIOT,attdona/RIOT,FrancescoErmini/RIOT,thomaseichinger/RIOT,toonst/RIOT,syin2/RIOT,wentaoshang/RIOT,OTAkeys/RIOT,msolters/RIOT,EmuxEvans/RIOT,watr-li/RIOT,attdona/RIOT,haoyangyu/RIOT,immesys/RiSyn,smlng/RIOT,sumanpanchal/RIOT,jbeyerstedt/RIOT-OTA-update,MohmadAyman/RIOT,A-Paul/RIOT,avmelnikoff/RIOT,benoit-canet/RIOT,openkosmosorg/RIOT,altairpearl/RIOT,malosek/RIOT,daniel-k/RIOT,kaspar030/RIOT,marcosalm/RIOT,jhollister/RIOT,ks156/RIOT,mtausig/RIOT,biboc/RIOT,stevenj/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,yogo1212/RIOT,binarylemon/RIOT,thomaseichinger/RIOT,fnack/RIOT,jfischer-phytec-iot/RIOT,zhuoshuguo/RIOT,herrfz/RIOT-old,Lexandro92/RIOT-CoAP,stevenj/RIOT,msolters/RIOT,Ell-i/RIOT,A-Paul/RIOT,ThanhVic/RIOT,abp719/RIOT,rfuentess/RIOT,aeneby/RIOT,lazytech-org/RIOT,malosek/RIOT,basilfx/RIOT,watr-li/RIOT,Ell-i/RIOT,ks156/RIOT,tdautc19841202/RIOT,EmuxEvans/RIOT,gautric/RIOT,OlegHahm/RIOT,centurysys/RIOT,RIOT-OS/RIOT,thomaseichinger/RIOT,kerneltask/RIOT,stevenj/RIOT,dhruvvyas90/RIOT,neiljay/RIOT,smlng/RIOT,kbumsik/RIOT,JensErdmann/RIOT,Yonezawa-T2/RIOT,rakendrathapa/RIOT,bartfaizoltan/RIOT,gbarnett/RIOT,Osblouf/RIOT,avmelnikoff/RIOT,RIOT-OS/RIOT,dailab/RIOT,rfuentess/RIOT,patkan/RIOT,phiros/RIOT,jbeyerstedt/RIOT-OTA-update,jasonatran/RIOT,nsol-nmsu/RIOT,abkam07/RIOT,alignan/RIOT,gebart/RIOT,kaleb-himes/RIOT,miri64/RIOT,lebrush/RIOT,TobiasFredersdorf/RIOT,fnack/RIOT,herrfz/RIOT,rfswarm/RIOT,latsku/RIOT,l3nko/RIOT,BytesGalore/RIOT,tdautc19841202/RIOT,zhuoshuguo/RIOT,d00616/RIOT,adrianghc/RIOT,RBartz/RIOT,sumanpanchal/RIOT,patkan/RIOT,khhhh/RIOT,x3ro/RIOT,altairpearl/RIOT,rakendrathapa/RIOT,kb2ma/RIOT,fnack/RIOT,MarkXYang/RIOT,stevenj/RIOT,thiagohd/RIOT,immesys/RiSyn,sgso/RIOT,kaspar030/RIOT,ThanhVic/RIOT,josephnoir/RIOT,asanka-code/RIOT,MohmadAyman/RIOT,kushalsingh007/RIOT,aeneby/RIOT,bartfaizoltan/RIOT,beurdouche/RIOT,herrfz/RIOT,authmillenon/RIOT,PSHIVANI/Riot-Code,altairpearl/RIOT,OlegHahm/RIOT,jbeyerstedt/RIOT-OTA-update,jfischer-phytec-iot/RIOT,EmuxEvans/RIOT,arvindpdmn/RIOT,gbarnett/RIOT,kYc0o/RIOT,latsku/RIOT,daniel-k/RIOT,AnonMall/RIOT,neumodisch/RIOT,PSHIVANI/Riot-Code,LudwigOrtmann/RIOT,fnack/RIOT,smlng/RIOT,JensErdmann/RIOT,sgso/RIOT,PSHIVANI/Riot-Code,backenklee/RIOT,rfswarm/RIOT,adrianghc/RIOT,haoyangyu/RIOT,x3ro/RIOT,authmillenon/RIOT,haoyangyu/RIOT,phiros/RIOT,chris-wood/RIOT,biboc/RIOT,l3nko/RIOT,beurdouche/RIOT,jremmert-phytec-iot/RIOT,gautric/RIOT,binarylemon/RIOT,wentaoshang/RIOT,tdautc19841202/RIOT,binarylemon/RIOT,1blankz7/RIOT,dkm/RIOT,daniel-k/RIOT,MarkXYang/RIOT,gbarnett/RIOT,jremmert-phytec-iot/RIOT,arvindpdmn/RIOT,dkm/RIOT,changbiao/RIOT,jferreir/RIOT,roberthartung/RIOT,MonsterCode8000/RIOT,1blankz7/RIOT,toonst/RIOT,mziegert/RIOT,msolters/RIOT,shady33/RIOT,RIOT-OS/RIOT,koenning/RIOT,attdona/RIOT,lebrush/RIOT,malosek/RIOT,plushvoxel/RIOT,patkan/RIOT,syin2/RIOT,ThanhVic/RIOT,RBartz/RIOT,adjih/RIOT,automote/RIOT,kbumsik/RIOT,daniel-k/RIOT,ximus/RIOT,neiljay/RIOT,ks156/RIOT,abkam07/RIOT,thomaseichinger/RIOT,altairpearl/RIOT,khhhh/RIOT,emmanuelsearch/RIOT,robixnai/RIOT,immesys/RiSyn,Osblouf/RIOT,dailab/RIOT,jasonatran/RIOT,AnonMall/RIOT,lazytech-org/RIOT,1blankz7/RIOT,RubikonAlpha/RIOT,arvindpdmn/RIOT,chris-wood/RIOT,Josar/RIOT,dhruvvyas90/RIOT,x3ro/RIOT,rfuentess/RIOT,jferreir/RIOT,neumodisch/RIOT,dhruvvyas90/RIOT,rfswarm2/RIOT,bartfaizoltan/RIOT,rajma996/RIOT,jremmert-phytec-iot/RIOT,thiagohd/RIOT,Lexandro92/RIOT-CoAP,watr-li/RIOT,Josar/RIOT,jhollister/RIOT,gebart/RIOT,rfswarm/RIOT,JensErdmann/RIOT,marcosalm/RIOT,neumodisch/RIOT,alex1818/RIOT,dkm/RIOT,roberthartung/RIOT,mfrey/RIOT,LudwigOrtmann/RIOT,jremmert-phytec-iot/RIOT,d00616/RIOT,thiagohd/RIOT,Ell-i/RIOT,MarkXYang/RIOT,zhuoshuguo/RIOT,katezilla/RIOT,alex1818/RIOT,basilfx/RIOT,authmillenon/RIOT,kaleb-himes/RIOT,mziegert/RIOT,dhruvvyas90/RIOT,gebart/RIOT,thiagohd/RIOT,lazytech-org/RIOT,Osblouf/RIOT,jbeyerstedt/RIOT-OTA-update,RBartz/RIOT,d00616/RIOT,changbiao/RIOT,LudwigOrtmann/RIOT,cladmi/RIOT,FrancescoErmini/RIOT,rousselk/RIOT,centurysys/RIOT,josephnoir/RIOT,asanka-code/RIOT,shady33/RIOT,shady33/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,BytesGalore/RIOT,AnonMall/RIOT,katezilla/RIOT,LudwigKnuepfer/RIOT,hamilton-mote/RIOT-OS,lazytech-org/RIOT,emmanuelsearch/RIOT,FrancescoErmini/RIOT