ARM: davinci_all_defconfig: enable SYSCON_REBOOT_MODE

This enables SYSCON_REBOOT_MODE as a module. This is used by LEGO
MINDSTORMS EV3 to reboot into a special firmware update mode.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/configs/davinci_all_defconfig

@@ -126,6 +126,7 @@ CONFIG_GPIO_PCA953X=y
 CONFIG_GPIO_PCA953X_IRQ=y
 CONFIG_POWER_RESET=y
 CONFIG_POWER_RESET_GPIO=y
+CONFIG_SYSCON_REBOOT_MODE=m
 CONFIG_BATTERY_LEGO_EV3=m
 CONFIG_WATCHDOG=y
 CONFIG_DAVINCI_WATCHDOG=m