print_toolchain_versions.sh: add xtensa toolchains
print_toolchain_versions.sh: add xtensa toolchains

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