ARM: highbank: move SoC sources to mach-highbank

Move
arch/arm/cpu/armv7/highbank/* -> arch/arm/mach-highbank/*

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Rob Herring <robh@kernel.org>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 32d039c..97858fa 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -6,6 +6,7 @@
 # by CONFIG_* macro name.
 machine-$(CONFIG_ARCH_AT91)		+= at91
 machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
+machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
 machine-$(CONFIG_KIRKWOOD)		+= kirkwood
 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA