msm: vidc: added v4l2 control to set the color of concealed MBs.

The conceal color is set to be green by default, while some users
required it to be black.
Set it to be configurable by adding this v4l2 control.

Change-Id: I25565ee837c011f5875ce91bde23a169fbdb0709
Signed-off-by: Jia Meng <jmeng@codeaurora.org>

Conflicts:
	drivers/media/platform/msm/vidc/msm_vdec.c
Revert "msm: vidc: added v4l2 control to set the color of concealed MBs."

There're faults in merging

This reverts commit b903182284d3e2a81e99fdd46be136b7f892c0c6.
msm: vidc: added v4l2 control to set the color of concealed MBs.

The conceal color is set to be green by default, while some users
required it to be black.
Set it to be configurable by adding this v4l2 control.

Change-Id: I25565ee837c011f5875ce91bde23a169fbdb0709
Signed-off-by: Jia Meng <jmeng@codeaurora.org>

Conflicts:
	drivers/media/platform/msm/vidc/msm_vdec.c
[media] v4l2: Add enum for frame level QP extra-data

This option is intended to be used to request as extra-data
the frame level QP.

Change-Id: Icaf88bd5a48ac394d1ed7ded8dc320cfeebc2765
Signed-off-by: Jorge Solano Altamirano <jsolano@codeaurora.org>

Conflicts:
	include/linux/videodev2.h
[media] v4l2: Add enums to request frame bits info as extra-data

This option is intended to be used to request as extra-data
the size in bits from frame header and frame itself.

Change-Id: I207045cda8c8038981bcf4548eb3d221502a67e1
Signed-off-by: Jorge Solano Altamirano <jsolano@codeaurora.org>