ARM: mx5/board-mx53_smd.c: Make UART1 functional

Fix UART1 IOMUX settings and configure UART1 to work with only RX/TX pins.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index 06070c5..c7b45d4 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -41,8 +41,6 @@
 static iomux_v3_cfg_t mx53_smd_pads[] = {
 	MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
 	MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
-	MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
-	MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
 
 	MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
 	MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
@@ -61,7 +59,7 @@
 
 static inline void mx53_smd_init_uart(void)
 {
-	imx53_add_imx_uart(0, &mx53_smd_uart_data);
+	imx53_add_imx_uart(0, NULL);
 	imx53_add_imx_uart(1, &mx53_smd_uart_data);
 	imx53_add_imx_uart(2, &mx53_smd_uart_data);
 }