ANDROID: soc: qcom: Add required header to irq.h

Add required header file to fix compiler reported errors.

BUG: 141169320
TEST: Build and boot

Fixes: 736036d7 ("FROMLIST: drivers: irqchip: add PDC irqdomain for wakeup capable GPIOs")
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Change-Id: Ie1503213bdc7432f36d065f8487e71e37cfe8532