arm64: renesas: Enable RENESAS_IRQC

Select RENESAS_IRQC for Arm64 SoCs from Renesas to enable
build of drivers/irqchip/irq-renesas-irqc.c.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/Kconfig.platforms

@@ -77,6 +77,7 @@ config ARCH_RENESAS
 	select ARCH_SHMOBILE
 	select PINCTRL
 	select PM_GENERIC_DOMAINS if PM
+	select RENESAS_IRQC
 	help
 	  This enables support for the ARMv8 based Renesas SoCs.