msm: dolby: MAT and THD audiocodec name modification

Modified names of SND_AUDIOCODEC for THD and MAT
as per the standards.
SND_AUDIOCODEC_DLB_THD to SND_AUDIOCODEC_THD
SND_AUDIOCODEC_DLB_MAT to SND_AUDIOCODEC_MAT.

Change-Id: If03662774cf0ae3573ed98ed6b6de42a7589e358
Acked-by: Janamaddi Sravan Kumar <c_jsrava@qti.qualcomm.com>
Signed-off-by: Nidhisha Dhananjayan <nidhis@codeaurora.org>