ARM: dts: at91: sama5d4ek: add phy address and IRQ for macb0

On SAMA5D4EK board, the Ethernet doesn't work after resuming from the suspend
state.

Signed-off-by: Wenyou Yang <[e-mail]>
[[e-mail]: adapt to newer kernel]
Fixes: 38153a017896 ("ARM: at91/dt: sama5d4: add dts for sama5d4 xplained board")
Cc: <[e-mail]> # 4.1+
Signed-off-by: Nicolas Ferre <[e-mail]>

arch/arm/boot/dts/at91-sama5d4ek.dts

···
 			};
 
 			macb0: ethernet@f8020000 {
+				pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
 				phy-mode = "rmii";
 				status = "okay";
+
+				ethernet-phy@1 {
+					reg = <0x1>;
+					interrupt-parent = <&pioE>;
+					interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+				};
 			};
 
 			mmc1: mmc@fc000000 {
···
 
 			pinctrl@fc06a000 {
 				board {
+					pinctrl_macb0_phy_irq: macb0_phy_irq {
+						atmel,pins =
+							<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
 					pinctrl_mmc0_cd: mmc0_cd {
 						atmel,pins =
 							<AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;