msm: vidc: New macros for hfi buffer types

Latest firmware update has changed the macro values of some
buffer types. Hence driver must match the same values
to ensure expected behaviour.

CRs-Fixed: 2051400
Change-Id: I6dacb8adc18d1c6a17782d711861d8a3aa0a9047
Signed-off-by: Chinmay Sawarkar <chinmays@codeaurora.org>