ARM i.MX53: mba53: add DI1_CLK to pinctrl for disp1

Add missing pin config

Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx53-mba53.dts

@@ -98,6 +98,7 @@
 	disp1 {
 		pinctrl_disp1_1: disp1-grp1 {
 			fsl,pins = <
+				MX53_PAD_EIM_A16__IPU_DI1_DISP_CLK 0x80000000 /* DISP1_CLK */
 				MX53_PAD_EIM_DA10__IPU_DI1_PIN15   0x80000000 /* DISP1_DRDY */
 				MX53_PAD_EIM_D23__IPU_DI1_PIN2     0x80000000 /* DISP1_HSYNC */
 				MX53_PAD_EIM_EB3__IPU_DI1_PIN3     0x80000000 /* DISP1_VSYNC */