ARM: omap2plus_defconfig: enable ECAP and EHRPWM

Many of AM335x and AM437x hook backlight to
one of these two devices. By enabling their
drivers we make sure pwm-backlight can do
its thing.
Signed-off-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm/configs/omap2plus_defconfig

@@ -326,6 +326,8 @@ CONFIG_DMA_OMAP=y
 CONFIG_EXTCON=y
 CONFIG_EXTCON_PALMAS=y
 CONFIG_PWM=y
+CONFIG_PWM_TIECAP=y
+CONFIG_PWM_TIEHRPWM=y
 CONFIG_PWM_TWL=y
 CONFIG_PWM_TWL_LED=y
 CONFIG_OMAP_USB2=y