ARM: uniphier: drop PH1- prefix from CONFIG options and file names

The current CONFIG names like "CONFIG_ARCH_UNIPHIER_PH1_PRO4" is too
long.  It would not hurt to drop "PH1_" because "UNIPHIER_" already
well specifies the SoC family.  Also, rename files for consistency.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/pinctrl/Makefile b/arch/arm/mach-uniphier/pinctrl/Makefile
index 80a9cda..5504c24 100644
--- a/arch/arm/mach-uniphier/pinctrl/Makefile
+++ b/arch/arm/mach-uniphier/pinctrl/Makefile
@@ -2,10 +2,10 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD3)	+= pinctrl-ph1-sld3.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4)	+= pinctrl-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4)	+= pinctrl-ph1-pro4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= pinctrl-ph1-sld8.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO5)	+= pinctrl-ph1-pro5.o
-obj-$(CONFIG_ARCH_UNIPHIER_PROXSTREAM2)	+= pinctrl-proxstream2.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD6B)	+= pinctrl-ph1-ld6b.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= pinctrl-sld3.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD4)		+= pinctrl-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_PRO4)	+= pinctrl-pro4.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= pinctrl-sld8.o
+obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= pinctrl-pro5.o
+obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= pinctrl-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= pinctrl-ld6b.o