msm_vidc: Fix bus bw request for lower resolutions

Fix bus bw request for lower resolution and send
proper device address to firmware while releasing
buffers. With this change clips less than VGA
resolution should work.

Change-Id: I96f3ef4185f1ba88931f92a859c3fd92d6e13b63
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Vinay Kalia <vkalia@codeaurora.org>