Blackfin: bf537-stamp: tweak i2c address for ad5280 add-on tftlcd board

The predefined i2c address 0x2c doesn't match the configuration of the
ad5280 PINs AD0 and AD1 on the tftlcd add-on board.  Both AD0 and AD1
are of voltage 3.3V, which means the i2c address should be 0x2F.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/mach-bf537/boards/stamp.c

@@ -2347,7 +2347,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #endif
 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 	{
-		I2C_BOARD_INFO("bf537-lq035-ad5280", 0x2C),
+		I2C_BOARD_INFO("bf537-lq035-ad5280", 0x2F),
 	},
 #endif
 #if defined(CONFIG_BACKLIGHT_ADP8870) || defined(CONFIG_BACKLIGHT_ADP8870_MODULE)