video: msm: fix gcc-4.7 issue

Change-Id: Ia8984d99d71a4ab673fd688e0f8f9217dc806c05
msm: vidc: add support for the bitstream_restrict flag

Adds support for the MFC core to add the bitstream_restrict flag in the
sps/pps for H264 codecs.  This allows for the decoder to determine how
many frames to buffer when decoding.

Change-Id: Ic0de960d92a771d74c303dac7100734d6411fc45
Signed-off-by: Deepak Verma <dverma@codeaurora.org>