drivers: net: phy: micrel: Try to get phy node from phy-handle

If phy node isn't found in ethernet-phy subnode, try to get it from
phy-handle. And when this fails, only then use Ethernet node. This
fix results in getting correct phy handle properties for the
phy node if defined.

Signed-off-by: Naresh Kumar Ravulapalli <nareshkumar.ravulapalli@altera.com>

drivers/net/phy/micrel_ksz90x1.c

@@ -7,6 +7,7 @@
  * (C) 2012 NetModule AG, David Andrey, added KSZ9031
  * (C) Copyright 2017 Adaptrum, Inc.
  * Written by Alexandru Gagniuc <alex.g@adaptrum.com> for Adaptrum, Inc.
+ * Copyright (C) 2025 Altera Corporation <www.altera.com>
  */
 #include <dm.h>
 #include <env.h>
@@ -110,6 +111,7 @@ static int ksz90x1_of_config_group(struct phy_device *phydev,
 {
 	struct udevice *dev = phydev->dev;
 	struct phy_driver *drv = phydev->drv;
+	struct ofnode_phandle_args phandle;
 	int val[4];
 	int i, changed = 0, offset, max;
 	u16 regval = 0;
@@ -126,8 +128,14 @@ static int ksz90x1_of_config_group(struct phy_device *phydev,
 	}
 
 	if (!ofnode_valid(node)) {
-		/* No node found, look in the Ethernet node */
-		node = dev_ofnode(dev);
+		if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
+					       &phandle)) {
+			/* No phy-handle found, look in the Ethernet node */
+			node = dev_ofnode(dev);
+		} else {
+			/* phy-handle found */
+			node = phandle.node;
+		}
 	}
 
 	for (i = 0; i < ofcfg->grpsz; i++) {