Added support for V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10_STILL_PICTURE. It willbe used in 10bit image encoding usecases. Change-Id: I14877547f1f4792eefb0ea6bcecf2643627c125a Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>