ARM: don't include removed directories

Three platforms used to have header files in include/mach that
are now all gone, but the removed directories are still being
included, which leads to -Wmissing-include-dirs warnings.

This removes the extra -I flags.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-mvebu/Makefile

-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
-	-I$(srctree)/arch/arm/plat-orion/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
 
 AFLAGS_coherency_ll.o		:= -Wa,-march=armv7-a
 CFLAGS_pmsu.o			:= -march=armv7-a

arch/arm/mach-realview/Makefile

 #
 # Makefile for the linux kernel.
 #
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
-	-I$(srctree)/arch/arm/plat-versatile/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-versatile/include
 
 obj-y					:= core.o
 obj-$(CONFIG_REALVIEW_DT)		+= realview-dt.o

arch/arm/mach-s5pv210/Makefile

@@ -5,7 +5,7 @@
 #
 # Licensed under GPLv2
 
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/arch/arm/plat-samsung/include
 
 # Core