soc: qcom: smsm: Add wakeup capable flags to SMSM IRQ

SMSM interrupts are expected even during APPS suspend path.
Added IRQF_NO_SUSPEND flag to handle interrupts during
suspend path.

Change-Id: I1c16a2be7fd0b3e85eebbee54aa472fb4a04bc6e
Signed-off-by: Vivek Golani <vgolani@codeaurora.org>