mdss: display: add support of additional EDP color bit component

Add support of additional color bit component in addition to
existing 6 bit color component.

Change-Id: Ia0ee7b5d62deb963b13741d2bfcd03a40993d96e
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
1 file changed