dt-bindings: remoteproc: qcom,sm8550-pas: document the SDX75 PAS

Document the MPSS Peripheral Authentication Service on SDX75 platform.

Signed-off-by: Naina Mehta <quic_nainmeht@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240709064924.325478-2-quic_nainmeht@quicinc.com


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