fix(ble): Turn off coded and 2M phys

The 2M phy caused problems when turning on encryption. I'm also
disabling the coded phy as I don't know it it works and need to first
test it with a phone/central which has support.

Closes #172
2 jobs for !391 with schneider/ble-5.0-1m in 2 minutes and 2 seconds (queued for 6 seconds)
merge request