ARM: bcm281xx: Add ARCH_BCM_MOBILE to bcm config

This patch (re)adds ARCH_BCM_MOBILE option to bcm_defconfig which was
accidentally removed by commit 2d58b26550ad ('ARM: bcm_defconfig: Run
"make savedefconfig"')

Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index 3a138af..287ac1d 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -25,6 +25,7 @@
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_ARCH_BCM=y
+CONFIG_ARCH_BCM_MOBILE=y
 CONFIG_ARM_THUMBEE=y
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y