ARM: mvebu: fix build breaks from multi-platform conversion

Moving ARCH_MVEBU for multi-platform support caused several breakages in
recently added addr-map and pinctrl support for mvebu. This adds the
necessary selects and include paths to fix the build.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-mvebu/Kconfig

@@ -6,6 +6,8 @@ config ARCH_MVEBU
 	select GENERIC_IRQ_CHIP
 	select IRQ_DOMAIN
 	select MULTI_IRQ_HANDLER
+	select PINCTRL
+	select PLAT_ORION
 	select SPARSE_IRQ
 
 if ARCH_MVEBU

arch/arm/mach-mvebu/Makefile

-ccflags-$(ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
+	-I$(srctree)/arch/arm/plat-orion/include
 
 obj-y += system-controller.o
 obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o

arch/arm/plat-orion/Makefile

 #
 # Makefile for the linux kernel.
 #
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
 
 obj-y                             += addr-map.o