dt-bindings: usb: qcom,snps-dwc3: Document the Eliza compatible

dt-bindings: usb: qcom,snps-dwc3: Document the Eliza compatible

Document the compatible for the Qualcomm Synopsys DWC3 glue controller
found on Eliza SoC.

It follows the same binding requirements as other recent Qualcomm
SoCs, so add it to the existing schema conditionals covering the
required properties.

Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260318-eliza-bindings-dwc3-v1-1-92bdf233cb87@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>