ARM: uniphier: merge umc/ and ddrphy/ into a single directory

The UMC (Universal Memory Controller) and the DDR PHY block are
highly related to each other.  It is better to have both code in the
same directory.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/Makefile

@@ -7,7 +7,7 @@ ifdef CONFIG_SPL_BUILD
 obj-y += lowlevel_init.o
 obj-y += init_page_table.o
 
-obj-y += init/ bcu/ memconf/ pll/ early-clk/ early-pinctrl/ umc/ ddrphy/
+obj-y += init/ bcu/ memconf/ pll/ early-clk/ early-pinctrl/ dram/
 obj-$(CONFIG_MICRO_SUPPORT_CARD) += sbc/
 
 obj-$(CONFIG_DEBUG_LL) += debug_ll.o

arch/arm/mach-uniphier/ddrphy/Makefile

@@ -1,7 +0,0 @@
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4)	+= ddrphy-training.o ddrphy-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4)	+= ddrphy-training.o ddrphy-ph1-pro4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= ddrphy-training.o ddrphy-ph1-sld8.o

arch/arm/mach-uniphier/dram/Makefile

@@ -0,0 +1,10 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+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-pro4.o
+obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= umc-ph1-sld8.o \
+					   ddrphy-training.o ddrphy-ph1-sld8.o

arch/arm/mach-uniphier/umc/Makefile

@@ -1,7 +0,0 @@
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4)	+= umc-ph1-ld4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4)	+= umc-ph1-pro4.o
-obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8)	+= umc-ph1-sld8.o