dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Add SM8750 to QMP PHY

Add an entry to the compatible field for SM8750 for the QMP combo PHY.
This handles the USB3 path for SM8750.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Melody Olvera <melody.olvera@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250527-sm8750_usb_master-v6-1-d58de3b41d34@oss.qualcomm.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>