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/Kconfig b/arch/arm/Kconfig
index 1bac511..f981541 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -722,7 +722,7 @@
 
 source "arch/arm/cpu/armv7/exynos/Kconfig"
 
-source "arch/arm/cpu/armv7/highbank/Kconfig"
+source "arch/arm/mach-highbank/Kconfig"
 
 source "arch/arm/cpu/armv7/keystone/Kconfig"