arm64: marvell: enable the Marvell PIC driver

This commit makes sure the driver for the Marvell PIC interrupt
controller (used on Marvell Armada 7K/8K) is enabled.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1470408921-447-4-git-send-email-thomas.petazzoni@free-electrons.comSigned-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm64/Kconfig.platforms

@@ -93,6 +93,7 @@ config ARCH_MVEBU
 	select ARMADA_CP110_SYSCON
 	select ARMADA_37XX_CLK
 	select MVEBU_ODMI
+	select MVEBU_PIC
 	help
 	  This enables support for Marvell EBU familly, including:
 	   - Armada 3700 SoC Family