ARM: uniphier: select SPL_DM rather than default in defconfig

Now UniPhier SoCs highly depend on Driver Model for SPL, too.

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

arch/arm/Kconfig

@@ -817,6 +817,7 @@ config ARCH_UNIPHIER
 	select SPL
 	select OF_CONTROL
 	select DM
+	select SPL_DM
 	select DM_SERIAL
 	select DM_I2C
 	help

configs/ph1_ld4_defconfig

@@ -17,7 +17,6 @@ CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
 # CONFIG_CMD_MISC is not set
 CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_SPL_DM=y
 CONFIG_NAND_DENALI=y
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8

configs/ph1_pro4_defconfig

@@ -16,7 +16,6 @@ CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
 # CONFIG_CMD_MISC is not set
 CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_SPL_DM=y
 CONFIG_NAND_DENALI=y
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8

configs/ph1_sld3_defconfig

@@ -17,7 +17,6 @@ CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
 # CONFIG_CMD_MISC is not set
 CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_SPL_DM=y
 CONFIG_NAND_DENALI=y
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8

configs/ph1_sld8_defconfig

@@ -17,7 +17,6 @@ CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
 # CONFIG_CMD_MISC is not set
 CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_SPL_DM=y
 CONFIG_NAND_DENALI=y
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8