ARM: dts: keystone-k2g: Move usb-phy nodes out of soc0

The two usb-phy nodes are not memory-mapped devices on the
SoC but rather dummy phys for SoCs with transparent autonomous
NOP phys. Move these to outside soc0 to their own node like
done elsewhere.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

arch/arm/boot/dts/keystone-k2g.dtsi

@@ -69,6 +69,24 @@ pmu {
 		interrupts = <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>;
 	};
 
+	usbphy {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "simple-bus";
+
+		usb0_phy: usb-phy@0 {
+			compatible = "usb-nop-xceiv";
+			reg = <0>;
+			status = "disabled";
+		};
+
+		usb1_phy: usb-phy@1 {
+			compatible = "usb-nop-xceiv";
+			reg = <1>;
+			status = "disabled";
+		};
+	};
+
 	soc0: soc@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -465,11 +483,6 @@ mcasp2: mcasp@2344000 {
 			status = "disabled";
 		};
 
-		usb0_phy: usb-phy@0 {
-			compatible = "usb-nop-xceiv";
-			status = "disabled";
-		};
-
 		keystone_usb0: keystone-dwc3@2680000 {
 			compatible = "ti,keystone-dwc3";
 			#address-cells = <1>;
@@ -493,11 +506,6 @@ usb0: usb@2690000 {
 			};
 		};
 
-		usb1_phy: usb-phy@1 {
-			compatible = "usb-nop-xceiv";
-			status = "disabled";
-		};
-
 		keystone_usb1: keystone-dwc3@2580000 {
 			compatible = "ti,keystone-dwc3";
 			#address-cells = <1>;