Changes

ttcn3-bts-test/virtphy: remove deprecated 'ms-power-control dsp'
osmo-bts-virtual fails to start:
  Error occurred during reading the below line:
   ms-power-control dsp
  This BTS model has no DSP/HW MS Power Control support
 Failed to parse the config file: '/data/osmo-bts.cfg'
Change-Id: Ic85603db10c11de911d20313caf2f819e92d94d1