msm:vidc: Add temporary buffer for MPEG-2 extension and user data.
msm:vidc: Add temporary buffer for MPEG-2 extension and user data.

Support is added to enable temporary buffer for processing
the MPEG-2 extension and user data for the first sequence
done.

Change-Id: I2274f87b43f4d193da7edb464918ec214ec12563
Signed-off-by: Shobhit Pandey <13c93b2b58e0de3f0d456b76af090fd993b6360d@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas