msm: vidc: Fix warnings

Add V4L2_CAP_DEVICE_CAPS and update device_caps as per V4L2
requirement, and updated formats in v4l_fill_fmtdesc
to avoid warnings.

Change-Id: I7e9c0684ad5c663450c28a951ba3790216091013
Signed-off-by: Surajit Podder <spodder@codeaurora.org>
2 files changed