ARM: dts: qcom: sdx55: use generic node names for USB

Device node names should be generic which is also expected by USB
bindings:

  qcom-sdx55-t55.dtb: dwc3@a600000: $nodename:0: 'dwc3@a600000' does not match '^usb(@.*)?'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230619170151.65505-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: krzk

arch/arm/boot/dts/qcom/qcom-sdx55.dtsi

@@ -603,7 +603,7 @@
 
 			resets = <&gcc GCC_USB30_BCR>;
 
-			usb_dwc3: dwc3@a600000 {
+			usb_dwc3: usb@a600000 {
 				compatible = "snps,dwc3";
 				reg = <0x0a600000 0xcd00>;
 				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;