cpu/lpc1768: fixed UART PCLK selection
cpu/lpc1768: fixed UART PCLK selection

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