ASoC: msm: qdsp6v2: Mask un-necessary DTS gain related error log

There is an error log related to DTS stream gain each time
compressed volume is set, that should not be present for non-DTS
playback cases. Removing it.

CRs-fixed: 776523
Change-Id: I2e6751d0262e3645cf120bc167cb09a6b12762ed
Signed-off-by: Alexy Joseph <alexyj@codeaurora.org>