arm/dt: msm8974pro: Add nodes for multiple partitions in msm_vidc

Modify dts files to support multiple partitions
and corresponding buffer types in each context
bank domain for msm8974pro

Change-Id: I3ba950bdde909785de9c7416a2311ef3f4fac44b
Signed-off-by: Eric Ho <yinlokh@codeaurora.org>