media: hantro: Support H264 profile control

The Hantro G1 decoder supports H.264 profiles from Baseline to High, with
the exception of the Extended profile.

Expose the V4L2_CID_MPEG_VIDEO_H264_PROFILE control, so that the
applications can query the driver for the list of supported profiles.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>