mx25pdk: Turn on the LCD supply

Currently there is no support for MC34704 PMIC in the mainline kernel.

Turn on the LCD supply via bootloader for the time being, so that we could
use the LCD in the kernel.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

board/freescale/mx25pdk/mx25pdk.c

@@ -146,8 +146,8 @@ int board_late_init(void)
 	if (!p)
 		return -ENODEV;
 
-	/* Turn on Ethernet PHY supply */
-	pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE);
+	/* Turn on Ethernet PHY and LCD supplies */
+	pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE | ONOFFA);
 
 	return 0;
 }