sh: r2dplus: Enable DM

Enable driver model support for SH4 R2Dplus board. Thus far, no
drivers are bound via the DM. The PCI drivers have yet to be
converted to DM_PCI.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/configs/r2dplus_defconfig b/configs/r2dplus_defconfig
index 4c1912c..43bf97c 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -1,12 +1,14 @@
 CONFIG_SH=y
 CONFIG_SYS_TEXT_BASE=0x8FE00000
 CONFIG_TARGET_R2DPLUS=y
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttySC0,115200"
 # CONFIG_CMDLINE_EDITING is not set
 # CONFIG_AUTO_COMPLETE is not set
 CONFIG_CMD_IMLS=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_IDE=y
 CONFIG_CMD_PCI=y
 # CONFIG_CMD_SETEXPR is not set
@@ -15,6 +17,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_DOS_PARTITION=y
 CONFIG_ENV_IS_IN_FLASH=y
+CONFIG_DM=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_CFI=y