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/dram/Makefile b/arch/arm/mach-uniphier/dram/Makefile
index 3d1553c..615ba2c 100644
--- a/arch/arm/mach-uniphier/dram/Makefile
+++ b/arch/arm/mach-uniphier/dram/Makefile
@@ -4,14 +4,14 @@
 
 ifdef CONFIG_SPL_BUILD
 
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4)	+= umc-ph1-ld4.o \
-					   ddrphy-training.o ddrphy-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4)	+= umc-ph1-pro4.o \
-					   ddrphy-training.o ddrphy-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= umc-ph1-sld8.o \
-					   ddrphy-training.o ddrphy-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PROXSTREAM2)	+= umc-proxstream2.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD6B)	+= umc-proxstream2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD4)		+= umc-ld4.o \
+					   ddrphy-training.o ddrphy-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_PRO4)	+= umc-pro4.o \
+					   ddrphy-training.o ddrphy-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= umc-sld8.o \
+					   ddrphy-training.o ddrphy-ld4.o
+obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= umc-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= umc-pxs2.o
 
 else