ARM: dts: imx6: edmqmx6: Add PCIe support

Add support for the PCI express bus available on MX6 Data Modul
edm-qmx6 board.
Signed-off-by: NSilvio Fricke <silvio.fricke@gmail.com>
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts

@@ -323,6 +323,12 @@
 			>;
 		};
 
+		pinctrl_pcie: pciegrp {
+			fsl,pins = <
+				MX6QDL_PAD_KEY_COL1__GPIO4_IO08		0x100b1
+			>;
+		};
+
 		pinctrl_pfuze: pfuze100grp1 {
 			fsl,pins = <
 				MX6QDL_PAD_EIM_D20__GPIO3_IO20		0x80000000
@@ -385,6 +391,13 @@
 	};
 };
 
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie>;
+	reset-gpio = <&gpio4 8 0>;
+	status = "okay";
+};
+
 &sata {
 	status = "okay";
 };