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/include/configs/uniphier.h b/include/configs/uniphier.h
index 784d3c1..076c733 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -121,7 +121,7 @@
 
 #define CONFIG_NAND_DENALI_ECC_SIZE			1024
 
-#ifdef CONFIG_ARCH_UNIPHIER_PH1_SLD3
+#ifdef CONFIG_ARCH_UNIPHIER_SLD3
 #define CONFIG_SYS_NAND_REGS_BASE			0xf8100000
 #define CONFIG_SYS_NAND_DATA_BASE			0xf8000000
 #else
@@ -247,9 +247,8 @@
 #define CONFIG_SYS_SDRAM_BASE		0x80000000
 #define CONFIG_NR_DRAM_BANKS		2
 
-#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3) || \
-	defined(CONFIG_ARCH_UNIPHIER_PH1_LD4) || \
-	defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
+#if defined(CONFIG_ARCH_UNIPHIER_SLD3) || defined(CONFIG_ARCH_UNIPHIER_LD4) || \
+	defined(CONFIG_ARCH_UNIPHIER_SLD8)
 #define CONFIG_SPL_TEXT_BASE		0x00040000
 #else
 #define CONFIG_SPL_TEXT_BASE		0x00100000