arm64: dts: rockchip: Fix the RMII REF_CLK with input mode for px30-evb

Base on the evb board, the mode of RMII REF_CLK need to be setup for input.

Change-Id: I06220d3422835a456b5567d7797a008d313e185a
Signed-off-by: David Wu <david.wu@rock-chips.com>

Author: SuperDavidWu

arch/arm64/boot/dts/rockchip/px30-evb-ddr3-v10.dts

@@ -295,7 +295,9 @@
 
 &gmac {
 	phy-supply = <&vcc_phy>;
-	clock_in_out = "output";
+	assigned-clocks = <&cru SCLK_GMAC>;
+	assigned-clock-parents = <&gmac_clkin>;
+	clock_in_out = "input";
 	snps,reset-gpio = <&gpio2 13 GPIO_ACTIVE_LOW>;
 	snps,reset-active-low;
 	snps,reset-delays-us = <0 50000 50000>;

arch/arm64/boot/dts/rockchip/px30-evb-ddr4-v10.dts

@@ -295,7 +295,9 @@
 
 &gmac {
 	phy-supply = <&vcc_phy>;
-	clock_in_out = "output";
+	assigned-clocks = <&cru SCLK_GMAC>;
+	assigned-clock-parents = <&gmac_clkin>;
+	clock_in_out = "input";
 	snps,reset-gpio = <&gpio2 13 GPIO_ACTIVE_LOW>;
 	snps,reset-active-low;
 	snps,reset-delays-us = <0 50000 50000>;