hikey960: Add hifi dsp firmware example of increasing PCM Gain

Bug: 64395692
Test: Print DSP log
  $ su
  # echo read_mem 0x8B300000 > /proc/hifidebug/dspfaultinject
  # debug-hifi

Change-Id: Ie842c4a9cb1258848fb642dc04ca3e02b0251ff0
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2 files changed