arm64: dts: ti: k3-am62(a)-phycore-som: Add bootphase tag to phy_gmii_sel

Add the bootph-all property to the phy_gmii_sel node to ensure it is
available during all boot phases. This is required when the bootloader
is getting booted via network.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://patch.msgid.link/20251124160548.2273931-1-w.egorov@phytec.de
Signed-off-by: Nishanth Menon <nm@ti.com>

Author: wdmegrv

arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi

@@ -363,6 +363,10 @@
 	};
 };
 
+&phy_gmii_sel {
+	bootph-all;
+};
+
 &sdhci0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_mmc0_pins_default>;

arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi

@@ -354,6 +354,10 @@
 	};
 };
 
+&phy_gmii_sel {
+	bootph-all;
+};
+
 &sdhci0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_mmc0_pins_default>;