dt-bindings: soc: qcom: qcom,pmic-glink: Document SM8750 compatible

Document the SM8750 compatible used to describe the PMIC glink
on this platform.

Signed-off-by: Jishnu Prakash <quic_jprakash@quicinc.com>
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250113-sm8750_gpmic_master-v1-1-ef45cf206979@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>