ARM: dts: am4372: Add named interrupt property for dwc3

Add interrupt names so that the same can be used for OTG easily.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am4372.dtsi

@@ -879,7 +879,12 @@ dwc3_1: omap_dwc3@48380000 {
 			usb1: usb@48390000 {
 				compatible = "synopsys,dwc3";
 				reg = <0x48390000 0x10000>;
-				interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "peripheral",
+						  "host",
+						  "otg";
 				phys = <&usb2_phy1>;
 				phy-names = "usb2-phy";
 				maximum-speed = "high-speed";
@@ -903,7 +908,12 @@ dwc3_2: omap_dwc3@483c0000 {
 			usb2: usb@483d0000 {
 				compatible = "synopsys,dwc3";
 				reg = <0x483d0000 0x10000>;
-				interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "peripheral",
+						  "host",
+						  "otg";
 				phys = <&usb2_phy2>;
 				phy-names = "usb2-phy";
 				maximum-speed = "high-speed";