boards/pba-d-01-kw2x: add comments for variant CPUs
boards/pba-d-01-kw2x: add comments for variant CPUs

A-Paul/RIOT,Josar/RIOT,roberthartung/RIOT,lazytech-org/RIOT,mtausig/RIOT,hamilton-mote/RIOT-OS,adjih/RIOT,ks156/RIOT,OlegHahm/RIOT,rfuentess/RIOT,authmillenon/RIOT,kYc0o/RIOT,basilfx/RIOT,toonst/RIOT,adrianghc/RIOT,kerneltask/RIOT,kaspar030/RIOT,cladmi/RIOT,plushvoxel/RIOT,BytesGalore/RIOT,jasonatran/RIOT,LudwigKnuepfer/RIOT,yogo1212/RIOT,plushvoxel/RIOT,LudwigKnuepfer/RIOT,immesys/RiSyn,LudwigKnuepfer/RIOT,rfuentess/RIOT,yogo1212/RIOT,rfuentess/RIOT,roberthartung/RIOT,gebart/RIOT,ks156/RIOT,hamilton-mote/RIOT-OS,hamilton-mote/RIOT-OS,kbumsik/RIOT,kbumsik/RIOT,ks156/RIOT,ks156/RIOT,ant9000/RIOT,miri64/RIOT,adrianghc/RIOT,Josar/RIOT,kbumsik/RIOT,rfuentess/RIOT,OTAkeys/RIOT,toonst/RIOT,basilfx/RIOT,ant9000/RIOT,neiljay/RIOT,yogo1212/RIOT,authmillenon/RIOT,adjih/RIOT,lazytech-org/RIOT,authmillenon/RIOT,smlng/RIOT,jfischer-phytec-iot/RIOT,thomaseichinger/RIOT,x3ro/RIOT,adrianghc/RIOT,miri64/RIOT,mfrey/RIOT,cladmi/RIOT,OlegHahm/RIOT,josephnoir/RIOT,jfischer-phytec-iot/RIOT,mtausig/RIOT,biboc/RIOT,roberthartung/RIOT,OlegHahm/RIOT,authmillenon/RIOT,kbumsik/RIOT,OlegHahm/RIOT,kaspar030/RIOT,BytesGalore/RIOT,neumodisch/RIOT,gebart/RIOT,aeneby/RIOT,jasonatran/RIOT,kerneltask/RIOT,x3ro/RIOT,immesys/RiSyn,adrianghc/RIOT,Josar/RIOT,immesys/RiSyn,RIOT-OS/RIOT,neumodisch/RIOT,LudwigOrtmann/RIOT,kYc0o/RIOT,aeneby/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,LudwigKnuepfer/RIOT,basilfx/RIOT,ant9000/RIOT,basilfx/RIOT,LudwigOrtmann/RIOT,jasonatran/RIOT,josephnoir/RIOT,avmelnikoff/RIOT,kerneltask/RIOT,OTAkeys/RIOT,thomaseichinger/RIOT,lazytech-org/RIOT,roberthartung/RIOT,LudwigOrtmann/RIOT,avmelnikoff/RIOT,immesys/RiSyn,jasonatran/RIOT,beurdouche/RIOT,kaspar030/RIOT,immesys/RiSyn,A-Paul/RIOT,cladmi/RIOT,mfrey/RIOT,mfrey/RIOT,adjih/RIOT,hamilton-mote/RIOT-OS,cladmi/RIOT,mtausig/RIOT,jfischer-phytec-iot/RIOT,x3ro/RIOT,smlng/RIOT,ks156/RIOT,BytesGalore/RIOT,jfischer-phytec-iot/RIOT,smlng/RIOT,neiljay/RIOT,neiljay/RIOT,smlng/RIOT,miri64/RIOT,neumodisch/RIOT,kerneltask/RIOT,kYc0o/RIOT,adjih/RIOT,thomaseichinger/RIOT,gebart/RIOT,A-Paul/RIOT,LudwigOrtmann/RIOT,mtausig/RIOT,kerneltask/RIOT,kaspar030/RIOT,thomaseichinger/RIOT,josephnoir/RIOT,lazytech-org/RIOT,LudwigOrtmann/RIOT,avmelnikoff/RIOT,immesys/RiSyn,x3ro/RIOT,BytesGalore/RIOT,adjih/RIOT,mfrey/RIOT,basilfx/RIOT,plushvoxel/RIOT,yogo1212/RIOT,beurdouche/RIOT,jasonatran/RIOT,roberthartung/RIOT,A-Paul/RIOT,kYc0o/RIOT,hamilton-mote/RIOT-OS,ant9000/RIOT,josephnoir/RIOT,biboc/RIOT,kaspar030/RIOT,aeneby/RIOT,LudwigOrtmann/RIOT,mtausig/RIOT,neumodisch/RIOT,OTAkeys/RIOT,smlng/RIOT,miri64/RIOT,josephnoir/RIOT,toonst/RIOT,beurdouche/RIOT,kYc0o/RIOT,LudwigKnuepfer/RIOT,beurdouche/RIOT,ant9000/RIOT,neiljay/RIOT,BytesGalore/RIOT,biboc/RIOT,Josar/RIOT,mfrey/RIOT,jfischer-phytec-iot/RIOT,cladmi/RIOT,x3ro/RIOT,beurdouche/RIOT,kbumsik/RIOT,neiljay/RIOT,RIOT-OS/RIOT,avmelnikoff/RIOT,thomaseichinger/RIOT,plushvoxel/RIOT,neumodisch/RIOT,OlegHahm/RIOT,authmillenon/RIOT,yogo1212/RIOT,neumodisch/RIOT,adrianghc/RIOT,miri64/RIOT,OTAkeys/RIOT,toonst/RIOT,RIOT-OS/RIOT,biboc/RIOT,aeneby/RIOT,A-Paul/RIOT,OTAkeys/RIOT,rfuentess/RIOT,RIOT-OS/RIOT,Josar/RIOT,plushvoxel/RIOT,toonst/RIOT,yogo1212/RIOT,aeneby/RIOT,gebart/RIOT,gebart/RIOT,biboc/RIOT