ARM: orion5x: move SoC sources to mach-orion5x

Move
arch/arm/cpu/arm926ejs/orion5x/* -> arch/arm/mach-orion5x/*

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 97858fa..6bcf8ec 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -11,6 +11,8 @@
 machine-$(CONFIG_KIRKWOOD)		+= kirkwood
 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
 machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
+# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
+machine-$(CONFIG_ORION5X)		+= orion5x
 machine-$(CONFIG_TEGRA)			+= tegra
 
 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))