ARM: dts: msm: Add not-wakeup property in SPMI configuration

MPM is configured to handle interrupts in deep sleep, disable wakeup
capability of SPMI based interrupts.

Change-Id: I7c6bdd3f2ddd30a96b991bfc19efaf4c64f1bfdc
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>