msm: vidc: Pass on the CODECCONFIG flag to core

In case of SPS/PPS buffers in frame by frame mode,
the respective buffers must be marked with the
CODECCONFIG flag.

Change-Id: Iba29fc03ec736280f2babefc68d3380e856e3006
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
Signed-off-by: Vinay Kalia <vkalia@codeaurora.org>