vagrant: add user to plugdev and sudo groups
This is identical to the docker image.
@@ -49,7 +49,7 @@ rm nrf5_iot_sdk_3288530.zip
echo "export NRF52_SDK_ROOT=/usr/nrf52-sdk" >> ${HOME}/.bashrc
-sudo usermod -aG dialout vagrant
+sudo usermod -aG dialout,plugdev,sudo vagrant
# Environment variables
echo "export CONTIKI_NG=${HOME}/contiki-ng" >> ${HOME}/.bashrc
