drivers: GICv3: Enable logging of interrupts that triggered wakeup

This change enables logging of irq number and name which triggered
wake up of the system from deep sleep. This helps in debugging the
spurious wakeups due to interrupts from various subsystems.

Change-Id: I6246871e638e761031c1d2f2b4bb1964b34bd2e5
CRs-Fixed: 1033023
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Signed-off-by: Maria Yu <aiquny@codeaurora.org>