sh: r2dplus: Enable DM_SERIAL and DM_CLK

Switch r2dplus to DM and DT probing for serial and clock.

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 53b7c2e..fb873a8 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -4,7 +4,6 @@
 CONFIG_ENV_SECT_SIZE=0x40000
 CONFIG_DEFAULT_DEVICE_TREE="sh7751-r2dplus"
 CONFIG_TARGET_R2DPLUS=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttySC0,115200"
@@ -26,6 +25,7 @@
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0xA0040000
 CONFIG_DM=y
+CONFIG_CLK=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_CFI=y
@@ -33,5 +33,8 @@
 CONFIG_RTL8139=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
+CONFIG_SERIAL_RX_BUFFER=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USE_PRIVATE_LIBGCC=y