CONTRIBUTING: update print toolchain versions command
CONTRIBUTING: update print toolchain versions command

toonst/RIOT,kYc0o/RIOT,cladmi/RIOT,yogo1212/RIOT,authmillenon/RIOT,authmillenon/RIOT,x3ro/RIOT,RIOT-OS/RIOT,smlng/RIOT,rfuentess/RIOT,kYc0o/RIOT,jasonatran/RIOT,aeneby/RIOT,OlegHahm/RIOT,cladmi/RIOT,toonst/RIOT,toonst/RIOT,basilfx/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,josephnoir/RIOT,basilfx/RIOT,miri64/RIOT,ant9000/RIOT,toonst/RIOT,OTAkeys/RIOT,jasonatran/RIOT,jasonatran/RIOT,x3ro/RIOT,kaspar030/RIOT,ant9000/RIOT,mfrey/RIOT,x3ro/RIOT,yogo1212/RIOT,aeneby/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,cladmi/RIOT,kaspar030/RIOT,basilfx/RIOT,cladmi/RIOT,authmillenon/RIOT,rfuentess/RIOT,authmillenon/RIOT,yogo1212/RIOT,OlegHahm/RIOT,ant9000/RIOT,ant9000/RIOT,kaspar030/RIOT,yogo1212/RIOT,mtausig/RIOT,miri64/RIOT,yogo1212/RIOT,smlng/RIOT,mtausig/RIOT,OTAkeys/RIOT,smlng/RIOT,toonst/RIOT,x3ro/RIOT,josephnoir/RIOT,mfrey/RIOT,x3ro/RIOT,miri64/RIOT,RIOT-OS/RIOT,miri64/RIOT,authmillenon/RIOT,jasonatran/RIOT,mfrey/RIOT,OlegHahm/RIOT,cladmi/RIOT,RIOT-OS/RIOT,mfrey/RIOT,jasonatran/RIOT,mtausig/RIOT,OTAkeys/RIOT,aeneby/RIOT,authmillenon/RIOT,miri64/RIOT,rfuentess/RIOT,rfuentess/RIOT,ant9000/RIOT,smlng/RIOT,josephnoir/RIOT,smlng/RIOT,mtausig/RIOT,mfrey/RIOT,kYc0o/RIOT,OTAkeys/RIOT,kaspar030/RIOT,yogo1212/RIOT,OlegHahm/RIOT,aeneby/RIOT,kYc0o/RIOT,mtausig/RIOT,kaspar030/RIOT,basilfx/RIOT,josephnoir/RIOT,basilfx/RIOT,rfuentess/RIOT,aeneby/RIOT