hdmirx: Set colordepth to 12 when colorspace is YUV422 [1/1]

PD#SWPL-176077

Problem:
colordepth is 8 when colorspace is YUV422

Solution:
Set colordepth to 12 when colorspace is YUV422

Verify:
t3x

Change-Id: Id718b6fb287065a82de929ca1401eb401321d494
Signed-off-by: Gaowei Zhao <gaowei.zhao@amlogic.com>
3 files changed