saml21/gpio: Enable EXTI0 on PB00
saml21/gpio: Enable EXTI0 on PB00

Signed-off-by: dylad <d56dfe611c7cd6204525c7c9b6afc5e84aed0f5d@mesotic.com>

ks156/RIOT,x3ro/RIOT,beurdouche/RIOT,lazytech-org/RIOT,biboc/RIOT,kbumsik/RIOT,plushvoxel/RIOT,jasonatran/RIOT,OTAkeys/RIOT,Josar/RIOT,toonst/RIOT,josephnoir/RIOT,biboc/RIOT,hamilton-mote/RIOT-OS,Josar/RIOT,LudwigOrtmann/RIOT,kaspar030/RIOT,adjih/RIOT,neiljay/RIOT,gebart/RIOT,Hyungsin/RIOT-OS,yogo1212/RIOT,mtausig/RIOT,kerneltask/RIOT,neumodisch/RIOT,jasonatran/RIOT,dkm/RIOT,rfuentess/RIOT,aeneby/RIOT,avmelnikoff/RIOT,thomaseichinger/RIOT,kerneltask/RIOT,BytesGalore/RIOT,dkm/RIOT,kaleb-himes/RIOT,dkm/RIOT,x3ro/RIOT,yogo1212/RIOT,cladmi/RIOT,avmelnikoff/RIOT,plushvoxel/RIOT,adjih/RIOT,syin2/RIOT,basilfx/RIOT,beurdouche/RIOT,syin2/RIOT,cladmi/RIOT,miri64/RIOT,jasonatran/RIOT,BytesGalore/RIOT,Hyungsin/RIOT-OS,mtausig/RIOT,roberthartung/RIOT,smlng/RIOT,josephnoir/RIOT,gautric/RIOT,Ell-i/RIOT,roberthartung/RIOT,thomaseichinger/RIOT,jfischer-phytec-iot/RIOT,kerneltask/RIOT,cladmi/RIOT,OlegHahm/RIOT,cladmi/RIOT,mfrey/RIOT,toonst/RIOT,smlng/RIOT,smlng/RIOT,dailab/RIOT,authmillenon/RIOT,OlegHahm/RIOT,ks156/RIOT,dkm/RIOT,adrianghc/RIOT,Ell-i/RIOT,roberthartung/RIOT,syin2/RIOT,smlng/RIOT,OTAkeys/RIOT,rfuentess/RIOT,authmillenon/RIOT,kYc0o/RIOT,A-Paul/RIOT,Hyungsin/RIOT-OS,neumodisch/RIOT,Josar/RIOT,syin2/RIOT,immesys/RiSyn,miri64/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,toonst/RIOT,beurdouche/RIOT,jasonatran/RIOT,immesys/RiSyn,toonst/RIOT,roberthartung/RIOT,avmelnikoff/RIOT,jfischer-phytec-iot/RIOT,Hyungsin/RIOT-OS,jasonatran/RIOT,basilfx/RIOT,roberthartung/RIOT,BytesGalore/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,ant9000/RIOT,thomaseichinger/RIOT,toonst/RIOT,neumodisch/RIOT,Josar/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rfuentess/RIOT,aeneby/RIOT,kaleb-himes/RIOT,adrianghc/RIOT,hamilton-mote/RIOT-OS,A-Paul/RIOT,kaleb-himes/RIOT,OTAkeys/RIOT,mfrey/RIOT,beurdouche/RIOT,hamilton-mote/RIOT-OS,LudwigKnuepfer/RIOT,neumodisch/RIOT,lazytech-org/RIOT,ant9000/RIOT,kaspar030/RIOT,Ell-i/RIOT,biboc/RIOT,jfischer-phytec-iot/RIOT,LudwigKnuepfer/RIOT,dailab/RIOT,gebart/RIOT,basilfx/RIOT,kbumsik/RIOT,miri64/RIOT,kbumsik/RIOT,kaspar030/RIOT,immesys/RiSyn,smlng/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kYc0o/RIOT,neiljay/RIOT,Ell-i/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,gebart/RIOT,x3ro/RIOT,mfrey/RIOT,rfuentess/RIOT,miri64/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ks156/RIOT,aeneby/RIOT,lazytech-org/RIOT,kbumsik/RIOT,adjih/RIOT,x3ro/RIOT,kbumsik/RIOT,LudwigKnuepfer/RIOT,ks156/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,x3ro/RIOT,basilfx/RIOT,mtausig/RIOT,kaspar030/RIOT,gautric/RIOT,LudwigOrtmann/RIOT,LudwigOrtmann/RIOT,hamilton-mote/RIOT-OS,LudwigOrtmann/RIOT,kaspar030/RIOT,yogo1212/RIOT,gebart/RIOT,neiljay/RIOT,immesys/RiSyn,foss-for-synopsys-dwc-arc-processors/RIOT,kYc0o/RIOT,hamilton-mote/RIOT-OS,lazytech-org/RIOT,adrianghc/RIOT,kerneltask/RIOT,neumodisch/RIOT,josephnoir/RIOT,adjih/RIOT,OlegHahm/RIOT,neumodisch/RIOT,adrianghc/RIOT,RIOT-OS/RIOT,aeneby/RIOT,lazytech-org/RIOT,basilfx/RIOT,OTAkeys/RIOT,plushvoxel/RIOT,neiljay/RIOT,mfrey/RIOT,dkm/RIOT,thomaseichinger/RIOT,BytesGalore/RIOT,Ell-i/RIOT,immesys/RiSyn,josephnoir/RIOT,adjih/RIOT,BytesGalore/RIOT,gautric/RIOT,A-Paul/RIOT,dailab/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,mfrey/RIOT,biboc/RIOT,Josar/RIOT,biboc/RIOT,yogo1212/RIOT,OlegHahm/RIOT,LudwigKnuepfer/RIOT,kaleb-himes/RIOT,gautric/RIOT,avmelnikoff/RIOT,yogo1212/RIOT,adrianghc/RIOT,authmillenon/RIOT,plushvoxel/RIOT,ant9000/RIOT,authmillenon/RIOT,A-Paul/RIOT,gebart/RIOT,josephnoir/RIOT,thomaseichinger/RIOT,mtausig/RIOT,kaleb-himes/RIOT,avmelnikoff/RIOT,beurdouche/RIOT,miri64/RIOT,RIOT-OS/RIOT,jfischer-phytec-iot/RIOT,mtausig/RIOT,ant9000/RIOT,ant9000/RIOT,authmillenon/RIOT,aeneby/RIOT,dailab/RIOT,syin2/RIOT,dailab/RIOT,Hyungsin/RIOT-OS,jfischer-phytec-iot/RIOT,rfuentess/RIOT,OTAkeys/RIOT,gautric/RIOT,neiljay/RIOT,cladmi/RIOT,LudwigOrtmann/RIOT,A-Paul/RIOT,plushvoxel/RIOT,immesys/RiSyn,LudwigOrtmann/RIOT,kYc0o/RIOT,kerneltask/RIOT,ks156/RIOT