ARM: omap2plus_defconfig: Enable leds-pwm

This is used on many omap boards.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/configs/omap2plus_defconfig

@@ -348,6 +348,7 @@ CONFIG_MMC_OMAP_HS=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=m
 CONFIG_LEDS_GPIO=m
+CONFIG_LEDS_PWM=m
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=m
 CONFIG_LEDS_TRIGGER_ONESHOT=m