ARM: dts: msm: Allocate one more context bank for CPP

CPP requires its own context bank for high BW separation
in real time use-cases. Allot one.

Change-Id: I844ad0090c4c2dc0f9f8e522bdf309e35834f8b5
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>