ARM i.MX53: tqma53: rev 300 specific pin configuration

I2S_MCLK is moved from pad GPIO19 to GPIO0, which can be muxed to the
ssi_ext1 clock signal. #SYSTEM_DOWN is moved from pad GPIO0 to GPIO19.
Add #PHY_RESET and LCD_CONTRAST.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx53-tqma53.dtsi

@@ -72,7 +72,6 @@ &iomuxc {
 	i2s {
 		pinctrl_i2s_1: i2s-grp1 {
 			fsl,pins = <
-				 MX53_PAD_GPIO_19__GPIO4_5           0x80000000 /* I2S_MCLK */
 				 MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC  0x80000000 /* I2S_SCLK */
 				 MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD  0x80000000 /* I2S_DOUT */
 				 MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS 0x80000000 /* I2S_LRCLK */
@@ -84,16 +83,17 @@ MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD  0x80000000 /* I2S_DIN */
 	hog {
 		pinctrl_hog: hoggrp {
 			fsl,pins = <
-				 MX53_PAD_EIM_CS1__IPU_DI1_PIN6  0x80000000 /* VSYNC */
-				 MX53_PAD_EIM_DA15__IPU_DI1_PIN4 0x80000000 /* HSYNC */
+				 MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK 0x80000000 /* SSI_MCLK */
 				 MX53_PAD_PATA_DA_1__GPIO7_7     0x80000000 /* LCD_BLT_EN */
 				 MX53_PAD_PATA_DA_2__GPIO7_8     0x80000000 /* LCD_RESET */
 				 MX53_PAD_PATA_DATA5__GPIO2_5    0x80000000 /* LCD_POWER */
 				 MX53_PAD_PATA_DATA6__GPIO2_6    0x80000000 /* PMIC_INT */
 				 MX53_PAD_PATA_DATA14__GPIO2_14  0x80000000 /* CSI_RST */
 				 MX53_PAD_PATA_DATA15__GPIO2_15  0x80000000 /* CSI_PWDN */
-				 MX53_PAD_GPIO_0__GPIO1_0        0x80000000 /* SYSTEM_DOWN */
+				 MX53_PAD_GPIO_19__GPIO4_5 	 0x80000000 /* #SYSTEM_DOWN */
 				 MX53_PAD_GPIO_3__GPIO1_3        0x80000000
+				 MX53_PAD_PATA_DA_0__GPIO7_6	 0x80000000 /* #PHY_RESET */
+				 MX53_PAD_GPIO_1__PWM2_PWMO	 0x80000000 /* LCD_CONTRAST */
 			>;
 		};
 	};