media: ccs: Add support for obtaining C-PHY configuration from firmware

Try parsing the firmware also as C-PHY. Do this only after D-PHY as older
firmware may not explicitly specify bus-type in which case D-PHY is the
default.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>