gpio: pl061: Select IRQ_DOMAIN rather than GENERIC_IRQ_CHIP

commit f1f70479e999 "gpio: pl061: support irqdomain" drops the support of
irq generic chip and use irqdomain instead. Thus fixes the dependency by
selecting IRQ_DOMAIN rather than GENERIC_IRQ_CHIP.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 6973387..2ca735f 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -228,7 +228,7 @@
 config GPIO_PL061
 	bool "PrimeCell PL061 GPIO support"
 	depends on ARM_AMBA
-	select GENERIC_IRQ_CHIP
+	select IRQ_DOMAIN
 	help
 	  Say yes here to support the PrimeCell PL061 GPIO device