ARM: dts: imx6: phyFLEX: Add PCIe

Add PCIe support for Phytec phyFLEX-i.MX6 (PFL-A-02 and PBA-B-01).
Signed-off-by: Christian Hemp <c.hemp@phytec.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6qdl-phytec-pbab01.dtsi

@@ -144,6 +144,10 @@ &i2c3 {
 	status = "okay";
 };
 
+&pcie {
+	status = "okay";
+};
+
 &ssi2 {
 	status = "okay";
 };

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

@@ -283,6 +283,10 @@ MX6QDL_PAD_EIM_D18__I2C3_SDA		0x4001b8b1
 			>;
 		};
 
+		pinctrl_pcie: pciegrp {
+			fsl,pins = <MX6QDL_PAD_DI0_PIN15__GPIO4_IO17  0x80000000>;
+		};
+
 		pinctrl_uart3: uart3grp {
 			fsl,pins = <
 				MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
@@ -353,6 +357,13 @@ MX6QDL_PAD_DISP0_DAT19__AUD5_RXD	0x130b0
 	};
 };
 
+&pcie {
+	pinctrl-name = "default";
+	pinctrl-0 = <&pinctrl_pcie>;
+	reset-gpio = <&gpio4 17 0>;
+	status = "disabled";
+};
+
 &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart3>;