MLK-12884 mx7dsabresd: Fix LCD_PWR_EN output setting

LCD_PWR_EN controls the G pin of Q13 PMOS which needs low voltage to connect
D to S for outputting LCD 3.3V. If LCD_PWR_EN is high, we measured the LCD 3v3
is actually 1.2V.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 28eb616b)

board/freescale/mx7dsabresd/mx7dsabresd.c

@@ -202,7 +202,7 @@ static enum qn_level seq[3][2] = {
 
 static enum qn_func qn_output[8] = {
 	qn_disable, qn_reset, qn_reset, qn_reset, qn_reset, qn_reset, qn_enable,
-	qn_enable
+	qn_disable
 };
 
 void iox74lv_init(void)