ARM: davinci_all_defconfig: enable pwm-beeper

This enables the pwm-beeper module. This is used by the speaker on LEGO
MINDSTORMS EV3.
Signed-off-by: NDavid Lechner <david@lechnology.com>
Signed-off-by: NSekhar Nori <nsekhar@ti.com>

arch/arm/configs/davinci_all_defconfig

@@ -100,6 +100,7 @@ CONFIG_KEYBOARD_XTKBD=m
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_INPUT_MISC=y
+CONFIG_INPUT_PWM_BEEPER=m
 CONFIG_INPUT_DM355EVM=m
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_VT_CONSOLE is not set