dist/testbed-support: add new iotlab archi
dist/testbed-support: add new iotlab archi

nrf52840dk and microbit

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