ARM: gic: save/restore distributor ISR register values

Before going into power collapse we have to save/restore the ISR
registers in case we configure GIC to handle FIQ on apps side.
Otherwise we will end up in wrong ISR configurations after PC.

Change-Id: Ib58b701fc462c10ec88576feab3c8a9eb3027009
Signed-off-by: Taniya Das <tdas@codeaurora.org>
1 file changed