arm64: dts: phygate-tauri-l: enable pcie phy

I210 intel ethernet controller is connected to PCIe. Enable the PHY
to use the ethernet controller.
Signed-off-by: Parthiban Nallathambi <parthiban@linumiz.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l.dts

@@ -7,6 +7,7 @@
 
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
 #include "imx8mm-phycore-som.dtsi"
 
 / {
@@ -185,6 +186,15 @@ &pcie0 {
 	status = "okay";
 };
 
+&pcie_phy {
+	clocks = <&clk IMX8MM_CLK_PCIE1_PHY>;
+	fsl,clkreq-unsupported;
+	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_OUTPUT>;
+	fsl,tx-deemph-gen1 = <0x2d>;
+	fsl,tx-deemph-gen2 = <0xf>;
+	status = "okay";
+};
+
 &pwm1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm1>;