This patch updates the MSM gpio chained IRQ handler to use the chained
IRQ enter/exit functions in order to function correctly on primary
controllers with different methods of flow control.
Tested-and-reviewed-by: NAbhijeet Dharmapurikar <adharmap@codeaurora.org>
Acked-by: NDavid Brown <davidb@codeaurora.org>
Signed-off-by: NWill Deacon <will.deacon@arm.com>