ARM: dts: omap3-beagle{-xm}: Enable DM and devicetree for BeagleBoard

This commit updates the configuration files needed to support OF_CONTROL
on the OMAP3 BeagleBoard(s).
diff --git a/configs/omap3_beagle_defconfig b/configs/omap3_beagle_defconfig
index ad72079..95c8784 100644
--- a/configs/omap3_beagle_defconfig
+++ b/configs/omap3_beagle_defconfig
@@ -2,9 +2,11 @@
 CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TARGET_OMAP3_BEAGLE=y
+CONFIG_DEFAULT_DEVICE_TREE="omap3-beagle"
 CONFIG_DISTRO_DEFAULTS=y
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_DEFAULT_FDT_FILE="omap3-beagle.dtb"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL=y
 CONFIG_SPL_MTD_SUPPORT=y
@@ -26,7 +28,9 @@
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nand0=nand"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(fs)"
+CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_NAND=y
+# CONFIG_BLK is not set
 CONFIG_LED_STATUS=y
 CONFIG_LED_STATUS0=y
 CONFIG_LED_STATUS_BIT=1
@@ -59,4 +63,5 @@
 CONFIG_USB_ETHER_MCS7830=y
 CONFIG_USB_ETHER_SMSC95XX=y
 CONFIG_FAT_WRITE=y
+CONFIG_BCH=y
 CONFIG_OF_LIBFDT=y