ARM: bcm_defconfig: Do not expect appended DTB

The bootloaders used with Broadcom mobile SoCs are capable of handling
a device tree separately from the zImage so there is no need for this
option to be enabled.

Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>

arch/arm/configs/bcm_defconfig

@@ -32,7 +32,6 @@ CONFIG_AEABI=y
 # CONFIG_COMPACTION is not set
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_ARM_APPENDED_DTB=y
 CONFIG_CMDLINE="console=ttyS0,115200n8 mem=128M"
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y