ARM: dts: msm: CCI reset workaround

Added a SPM command to synchronize with RPM during CCI PC
sequence. This is part of the new workaround suggested by
design team for the secure bite issue seen on 8939.

Change-Id: Ib33dd453f4449e7c71fd4423ef8e5a098a0b3515
Signed-off-by: Anil Kumar Mamidala <amami@codeaurora.org>
Signed-off-by: Venkat Devarasetty <vdevaras@codeaurora.org>