ARM: dts: msm: Modified nodes for multiple partitions in msm_vidc

Modified dts files to support multiple partitions and corresponding
buffer types in each context bank domain for msm8974v2, msm8226,
msm8974Pro, apq8084 and msmsamarium.

Change-Id: I8a4bf037f141e33a33cd81ac5944850ce947f32d
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>