drivers: usb: dwc3-qcom: Add sdm660 compatible

Add a new compatible for SDM660's DWC3.

Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210728221921.52068-1-konrad.dybcio@somainline.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>