murdock: add selected cortex-m boards to LLVM build
murdock: add selected cortex-m boards to LLVM build

gebart/RIOT,kaspar030/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,rfuentess/RIOT,kbumsik/RIOT,rfuentess/RIOT,kbumsik/RIOT,aeneby/RIOT,aeneby/RIOT,lazytech-org/RIOT,jasonatran/RIOT,A-Paul/RIOT,miri64/RIOT,authmillenon/RIOT,OTAkeys/RIOT,mfrey/RIOT,RIOT-OS/RIOT,mtausig/RIOT,kYc0o/RIOT,rfuentess/RIOT,authmillenon/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,basilfx/RIOT,kbumsik/RIOT,toonst/RIOT,mfrey/RIOT,josephnoir/RIOT,toonst/RIOT,yogo1212/RIOT,toonst/RIOT,A-Paul/RIOT,gebart/RIOT,mtausig/RIOT,ant9000/RIOT,RIOT-OS/RIOT,x3ro/RIOT,lazytech-org/RIOT,miri64/RIOT,mtausig/RIOT,kaspar030/RIOT,jasonatran/RIOT,kYc0o/RIOT,basilfx/RIOT,biboc/RIOT,authmillenon/RIOT,BytesGalore/RIOT,OlegHahm/RIOT,cladmi/RIOT,basilfx/RIOT,ant9000/RIOT,ant9000/RIOT,OlegHahm/RIOT,x3ro/RIOT,kaspar030/RIOT,biboc/RIOT,mtausig/RIOT,josephnoir/RIOT,basilfx/RIOT,BytesGalore/RIOT,smlng/RIOT,biboc/RIOT,authmillenon/RIOT,biboc/RIOT,OTAkeys/RIOT,jasonatran/RIOT,cladmi/RIOT,lazytech-org/RIOT,smlng/RIOT,A-Paul/RIOT,gebart/RIOT,aeneby/RIOT,RIOT-OS/RIOT,A-Paul/RIOT,BytesGalore/RIOT,kYc0o/RIOT,kaspar030/RIOT,kbumsik/RIOT,yogo1212/RIOT,cladmi/RIOT,ant9000/RIOT,smlng/RIOT,RIOT-OS/RIOT,mtausig/RIOT,kYc0o/RIOT,x3ro/RIOT,rfuentess/RIOT,avmelnikoff/RIOT,OTAkeys/RIOT,avmelnikoff/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,A-Paul/RIOT,OTAkeys/RIOT,smlng/RIOT,mfrey/RIOT,toonst/RIOT,cladmi/RIOT,OlegHahm/RIOT,x3ro/RIOT,OlegHahm/RIOT,miri64/RIOT,josephnoir/RIOT,basilfx/RIOT,yogo1212/RIOT,OTAkeys/RIOT,cladmi/RIOT,gebart/RIOT,jasonatran/RIOT,aeneby/RIOT,rfuentess/RIOT,avmelnikoff/RIOT,yogo1212/RIOT,authmillenon/RIOT,yogo1212/RIOT,ant9000/RIOT,BytesGalore/RIOT,mfrey/RIOT,josephnoir/RIOT,yogo1212/RIOT,biboc/RIOT,mfrey/RIOT,smlng/RIOT,x3ro/RIOT,josephnoir/RIOT,miri64/RIOT,gebart/RIOT,OlegHahm/RIOT,aeneby/RIOT,toonst/RIOT,BytesGalore/RIOT,authmillenon/RIOT,kbumsik/RIOT,kaspar030/RIOT,miri64/RIOT