dt-bindings: remoteproc: Add SM8750 MPSS

Add remote processor PAS loader for SM8750 MPSS (modem).  Device looks
fully compatible with SM8650, however it lacks fifth memory region for
Qlink Logging, according to downstream sources.  This is a bit tricky,
because updated downstream sources for newer downstream release dropped
that fifth memory region as well.

There might be other differences against SM8650, because the modem
currently crashes after starting.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250221160300.160404-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml

@@ -24,6 +24,7 @@ properties:
           - qcom,sm8650-adsp-pas
           - qcom,sm8650-cdsp-pas
           - qcom,sm8650-mpss-pas
+          - qcom,sm8750-mpss-pas
           - qcom,x1e80100-adsp-pas
           - qcom,x1e80100-cdsp-pas
       - items:
@@ -164,6 +165,21 @@ allOf:
           minItems: 5
           maxItems: 5
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sm8750-mpss-pas
+    then:
+      properties:
+        interrupts:
+          minItems: 6
+        interrupt-names:
+          minItems: 6
+        memory-region:
+          minItems: 4
+          maxItems: 4
+
   - if:
       properties:
         compatible:
@@ -191,6 +207,7 @@ allOf:
             - qcom,sdx75-mpss-pas
             - qcom,sm8550-mpss-pas
             - qcom,sm8650-mpss-pas
+            - qcom,sm8750-mpss-pas
     then:
       properties:
         power-domains: