net: ti: am65-cpsw-nuss: Add a new compatible for AM64

Add a new compatible to support AM64 SoC
Signed-off-by: NVignesh Raghavendra <vigneshr@ti.com>

drivers/net/ti/am65-cpsw-nuss.c

@@ -782,6 +782,7 @@ out:
 static const struct udevice_id am65_cpsw_nuss_ids[] = {
 	{ .compatible = "ti,am654-cpsw-nuss" },
 	{ .compatible = "ti,j721e-cpsw-nuss" },
+	{ .compatible = "ti,am642-cpsw-nuss" },
 	{ }
 };