[ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins

Reported-by: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 573a9a1..55b74a7 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -169,7 +169,7 @@
 	colibri_pxa320_init_eth();
 	colibri_pxa320_init_ohci();
 	colibri_pxa320_init_lcd();
-	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
+	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
 	colibri_pxa320_init_ac97();
 	colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
 				mfp_to_gpio(MFP_PIN_GPIO28));