ARM: uniphier: remove empty Makefile

arch/arm/mach-uniphier/Makefile has been unused for a long time.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index fc26c3d..2ff19d4 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -222,7 +222,6 @@
 machine-$(CONFIG_ARCH_TEGRA)		+= tegra
 machine-$(CONFIG_ARCH_U300)		+= u300
 machine-$(CONFIG_ARCH_U8500)		+= ux500
-machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
 machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
 machine-$(CONFIG_ARCH_VEXPRESS)		+= vexpress
 machine-$(CONFIG_ARCH_VT8500)		+= vt8500
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
deleted file mode 100644
index e69de29..0000000
--- a/arch/arm/mach-uniphier/Makefile
+++ /dev/null