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/pll/Makefile b/arch/arm/mach-uniphier/pll/Makefile
index ca88521..63f169c 100644
--- a/arch/arm/mach-uniphier/pll/Makefile
+++ b/arch/arm/mach-uniphier/pll/Makefile
@@ -2,11 +2,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD3)	+= pll-init-ph1-sld3.o \
-					   pll-spectrum-ph1-sld3.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4)	+= pll-init-ph1-ld4.o \
-					   pll-spectrum-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4)	+= pll-init-ph1-pro4.o \
-					   pll-spectrum-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= pll-init-ph1-sld8.o \
-					   pll-spectrum-ph1-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= pll-init-sld3.o pll-spectrum-sld3.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD4)		+= pll-init-ld4.o pll-spectrum-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_PRO4)	+= pll-init-pro4.o pll-spectrum-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= pll-init-sld8.o pll-spectrum-ld4.o