ARM: dts: pfla02: Add UART1 (uart3)

The pins labeled UART1 on the module connector are wired to i.MX6 uart3.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi

@@ -235,6 +235,15 @@
 			>;
 		};
 
+		pinctrl_uart3: uart3grp {
+			fsl,pins = <
+				MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
+				MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
+				MX6QDL_PAD_EIM_D30__UART3_RTS_B		0x1b0b1
+				MX6QDL_PAD_EIM_D31__UART3_CTS_B		0x1b0b1
+			>;
+		};
+
 		pinctrl_uart4: uart4grp {
 			fsl,pins = <
 				MX6QDL_PAD_KEY_COL0__UART4_TX_DATA	0x1b0b1
@@ -302,6 +311,12 @@
 	status = "disabled";
 };
 
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	status = "disabled";
+};
+
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart4>;