ARM: pxa: Fix typo 'CONFIG_BACKLIGHT_PWM__MODULE'

Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Acked-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

arch/arm/mach-pxa/colibri-pxa270-income.c

@@ -183,7 +183,7 @@ static inline void income_lcd_init(void) {}
 /******************************************************************************
  * Backlight
  ******************************************************************************/
-#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM__MODULE)
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 static struct platform_pwm_backlight_data income_backlight_data = {
 	.pwm_id		= 0,
 	.max_brightness	= 0x3ff,