cpu/samd21: fix ISR mapping for PB27
cpu/samd21: fix ISR mapping for PB27

Ell-i/RIOT,tfar/RIOT,lazytech-org/RIOT,rfuentess/RIOT,mfrey/RIOT,zhuoshuguo/RIOT,kb2ma/RIOT,avmelnikoff/RIOT,syin2/RIOT,Ell-i/RIOT,yogo1212/RIOT,roberthartung/RIOT,avmelnikoff/RIOT,kbumsik/RIOT,x3ro/RIOT,kYc0o/RIOT,gebart/RIOT,attdona/RIOT,x3ro/RIOT,OTAkeys/RIOT,LudwigOrtmann/RIOT,neiljay/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,malosek/RIOT,kYc0o/RIOT,authmillenon/RIOT,smlng/RIOT,miri64/RIOT,rajma996/RIOT,altairpearl/RIOT,jbeyerstedt/RIOT-OTA-update,mtausig/RIOT,d00616/RIOT,backenklee/RIOT,aeneby/RIOT,syin2/RIOT,beurdouche/RIOT,kaspar030/RIOT,jasonatran/RIOT,kYc0o/RIOT,brettswann/RIOT,malosek/RIOT,jremmert-phytec-iot/RIOT,lazytech-org/RIOT,kaleb-himes/RIOT,immesys/RiSyn,basilfx/RIOT,beurdouche/RIOT,syin2/RIOT,biboc/RIOT,gautric/RIOT,syin2/RIOT,altairpearl/RIOT,jremmert-phytec-iot/RIOT,mtausig/RIOT,RIOT-OS/RIOT,mtausig/RIOT,jfischer-phytec-iot/RIOT,authmillenon/RIOT,attdona/RIOT,gebart/RIOT,beurdouche/RIOT,RIOT-OS/RIOT,backenklee/RIOT,josephnoir/RIOT,jasonatran/RIOT,cladmi/RIOT,tfar/RIOT,Josar/RIOT,neiljay/RIOT,attdona/RIOT,LudwigOrtmann/RIOT,kb2ma/RIOT,thomaseichinger/RIOT,adjih/RIOT,ks156/RIOT,adjih/RIOT,jfischer-phytec-iot/RIOT,basilfx/RIOT,adrianghc/RIOT,jremmert-phytec-iot/RIOT,A-Paul/RIOT,katezilla/RIOT,zhuoshuguo/RIOT,kbumsik/RIOT,miri64/RIOT,malosek/RIOT,altairpearl/RIOT,rfuentess/RIOT,jremmert-phytec-iot/RIOT,alignan/RIOT,josephnoir/RIOT,plushvoxel/RIOT,Josar/RIOT,avmelnikoff/RIOT,A-Paul/RIOT,roberthartung/RIOT,altairpearl/RIOT,beurdouche/RIOT,authmillenon/RIOT,dkm/RIOT,kaleb-himes/RIOT,ks156/RIOT,mfrey/RIOT,thomaseichinger/RIOT,lazytech-org/RIOT,rousselk/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kerneltask/RIOT,rajma996/RIOT,miri64/RIOT,yogo1212/RIOT,A-Paul/RIOT,plushvoxel/RIOT,dkm/RIOT,TobiasFredersdorf/RIOT,thomaseichinger/RIOT,attdona/RIOT,ant9000/RIOT,OlegHahm/RIOT,backenklee/RIOT,basilfx/RIOT,OTAkeys/RIOT,kaspar030/RIOT,plushvoxel/RIOT,LudwigKnuepfer/RIOT,kYc0o/RIOT,alignan/RIOT,Hyungsin/RIOT-OS,kaspar030/RIOT,adrianghc/RIOT,neiljay/RIOT,wentaoshang/RIOT,brettswann/RIOT,TobiasFredersdorf/RIOT,TobiasFredersdorf/RIOT,alignan/RIOT,jfischer-phytec-iot/RIOT,rousselk/RIOT,RIOT-OS/RIOT,neumodisch/RIOT,brettswann/RIOT,backenklee/RIOT,cladmi/RIOT,d00616/RIOT,katezilla/RIOT,smlng/RIOT,OlegHahm/RIOT,A-Paul/RIOT,dailab/RIOT,toonst/RIOT,neumodisch/RIOT,avmelnikoff/RIOT,toonst/RIOT,jasonatran/RIOT,ant9000/RIOT,rousselk/RIOT,rajma996/RIOT,BytesGalore/RIOT,malosek/RIOT,immesys/RiSyn,kerneltask/RIOT,dkm/RIOT,beurdouche/RIOT,roberthartung/RIOT,brettswann/RIOT,toonst/RIOT,OlegHahm/RIOT,biboc/RIOT,hamilton-mote/RIOT-OS,jbeyerstedt/RIOT-OTA-update,mfrey/RIOT,TobiasFredersdorf/RIOT,smlng/RIOT,x3ro/RIOT,adrianghc/RIOT,dailab/RIOT,immesys/RiSyn,jremmert-phytec-iot/RIOT,gautric/RIOT,josephnoir/RIOT,kb2ma/RIOT,Hyungsin/RIOT-OS,LudwigKnuepfer/RIOT,rousselk/RIOT,toonst/RIOT,RIOT-OS/RIOT,attdona/RIOT,Ell-i/RIOT,wentaoshang/RIOT,kaleb-himes/RIOT,OTAkeys/RIOT,rfuentess/RIOT,tfar/RIOT,gebart/RIOT,jbeyerstedt/RIOT-OTA-update,mfrey/RIOT,ks156/RIOT,Josar/RIOT,dailab/RIOT,adrianghc/RIOT,malosek/RIOT,LudwigOrtmann/RIOT,LudwigKnuepfer/RIOT,smlng/RIOT,yogo1212/RIOT,neumodisch/RIOT,Ell-i/RIOT,rfuentess/RIOT,dailab/RIOT,brettswann/RIOT,gebart/RIOT,aeneby/RIOT,rajma996/RIOT,wentaoshang/RIOT,kYc0o/RIOT,rfuentess/RIOT,LudwigKnuepfer/RIOT,jremmert-phytec-iot/RIOT,immesys/RiSyn,alignan/RIOT,tfar/RIOT,neumodisch/RIOT,plushvoxel/RIOT,adjih/RIOT,aeneby/RIOT,kerneltask/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,OlegHahm/RIOT,jasonatran/RIOT,TobiasFredersdorf/RIOT,basilfx/RIOT,Ell-i/RIOT,d00616/RIOT,LudwigKnuepfer/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,yogo1212/RIOT,lazytech-org/RIOT,adjih/RIOT,mtausig/RIOT,kerneltask/RIOT,wentaoshang/RIOT,authmillenon/RIOT,altairpearl/RIOT,gautric/RIOT,kaspar030/RIOT,mtausig/RIOT,BytesGalore/RIOT,d00616/RIOT,neumodisch/RIOT,gebart/RIOT,smlng/RIOT,kbumsik/RIOT,gautric/RIOT,jbeyerstedt/RIOT-OTA-update,jfischer-phytec-iot/RIOT,LudwigOrtmann/RIOT,biboc/RIOT,kaspar030/RIOT,altairpearl/RIOT,mfrey/RIOT,jbeyerstedt/RIOT-OTA-update,miri64/RIOT,josephnoir/RIOT,syin2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,katezilla/RIOT,Hyungsin/RIOT-OS,miri64/RIOT,hamilton-mote/RIOT-OS,LudwigOrtmann/RIOT,dkm/RIOT,rajma996/RIOT,A-Paul/RIOT,adjih/RIOT,x3ro/RIOT,backenklee/RIOT,neiljay/RIOT,LudwigOrtmann/RIOT,ant9000/RIOT,lazytech-org/RIOT,Hyungsin/RIOT-OS,d00616/RIOT,alignan/RIOT,rousselk/RIOT,biboc/RIOT,authmillenon/RIOT,hamilton-mote/RIOT-OS,aeneby/RIOT,thomaseichinger/RIOT,Hyungsin/RIOT-OS,kb2ma/RIOT,malosek/RIOT,ant9000/RIOT,OTAkeys/RIOT,dkm/RIOT,cladmi/RIOT,josephnoir/RIOT,BytesGalore/RIOT,tfar/RIOT,zhuoshuguo/RIOT,neiljay/RIOT,immesys/RiSyn,hamilton-mote/RIOT-OS,OlegHahm/RIOT,neumodisch/RIOT,Josar/RIOT,aeneby/RIOT,OTAkeys/RIOT,dailab/RIOT,roberthartung/RIOT,BytesGalore/RIOT,wentaoshang/RIOT,Josar/RIOT,plushvoxel/RIOT,katezilla/RIOT,biboc/RIOT,basilfx/RIOT,rajma996/RIOT,kaleb-himes/RIOT,katezilla/RIOT,wentaoshang/RIOT,cladmi/RIOT,BytesGalore/RIOT,rousselk/RIOT,immesys/RiSyn,d00616/RIOT,adrianghc/RIOT,kbumsik/RIOT,zhuoshuguo/RIOT,jfischer-phytec-iot/RIOT,yogo1212/RIOT,ant9000/RIOT,x3ro/RIOT,kbumsik/RIOT,jasonatran/RIOT,cladmi/RIOT,gautric/RIOT,ks156/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kb2ma/RIOT,thomaseichinger/RIOT,zhuoshuguo/RIOT,kaleb-himes/RIOT,hamilton-mote/RIOT-OS,zhuoshuguo/RIOT,brettswann/RIOT,roberthartung/RIOT,ks156/RIOT,kerneltask/RIOT,avmelnikoff/RIOT,toonst/RIOT,authmillenon/RIOT,attdona/RIOT