UCM config: Strago: update SST Gain mixer setting

Fix the issue of "volume from speaker is too low" by
updating SST's Gain mixer setting.

BUG=chrome-os-partner:43762
TEST='emerge-strago adhd' and verify ucm files are installed to
     /build/strago/usr/share/alsa/ucm

Change-Id: Ieb28de4b4ace5efc507dd8a2c98cdc037332fcf6
Signed-off-by: Sathya Prakash M R <sathya.prakash.m.r@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/291602
Commit-Ready: Yang Fang <yang.a.fang@intel.com>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
1 file changed