media: msm_vidc: add set property support in video driver

Enables setting video encoding and decoding parameters to video
hardware. This allows configuring video hardware with userspace
or in-kernel client settings for codec, profile, level, bitrate,
resolution, ratecontrol, framerate.

Change-Id: Ie95674dc4ad50e00d737e765af1382c1397d4442
Signed-off-by: Ashray Kulkarni <ashrayk@codeaurora.org>