powerpc: Enable device tree support for P1010RDB

Add device tree for P1010RDB boards and enable CONFIG_OF_CONTROL
so that device tree can be compiled.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/P1010RDB-PB_36BIT_SDCARD_defconfig b/configs/P1010RDB-PB_36BIT_SDCARD_defconfig
index 7996490..7244dac 100644
--- a/configs/P1010RDB-PB_36BIT_SDCARD_defconfig
+++ b/configs/P1010RDB-PB_36BIT_SDCARD_defconfig
@@ -11,6 +11,8 @@
 CONFIG_SPL_TEXT_BASE=0xD0001000
 CONFIG_MPC85xx=y
 CONFIG_TARGET_P1010RDB_PB=y
+CONFIG_DEFAULT_DEVICE_TREE="p1010rdb-pb_36b"
+CONFIG_OF_CONTROL=y
 CONFIG_PHYS_64BIT=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
@@ -70,6 +72,5 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y
 CONFIG_DM_I2C=y
 CONFIG_DM_RTC=y