scsi: ufs: qcom: dt-bindings: Document the SM8750 UFS Controller

Document the UFS Controller on the SM8750 Platform.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Melody Olvera <melody.olvera@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250327-sm8750_ufs_master-v3-1-bad1f5398d0a@oss.qualcomm.com


Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>