dt-bindings: remoteproc: qcom: adsp: add qcom,sdm845-slpi-pas compatible

SLPI DSP remoteproc on DSP is defined by the 'qcom,sdm845-slpi-pas'
compatible in the qcom_q6v5_pas driver. Add this compatible to the
devicetree bindings.
Signed-off-by: Dylan Van Assche <me@dylanvanassche.be>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230330164633.117335-2-me@dylanvanassche.beSigned-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml

@@ -26,6 +26,7 @@ properties:
       - qcom,sdm660-adsp-pas
       - qcom,sdm845-adsp-pas
       - qcom,sdm845-cdsp-pas
+      - qcom,sdm845-slpi-pas
 
   reg:
     maxItems: 1
@@ -68,6 +69,7 @@ allOf:
               - qcom,msm8998-adsp-pas
               - qcom,sdm845-adsp-pas
               - qcom,sdm845-cdsp-pas
+              - qcom,sdm845-slpi-pas
     then:
       properties:
         clocks:
@@ -109,6 +111,7 @@ allOf:
               - qcom,msm8998-slpi-pas
               - qcom,sdm845-adsp-pas
               - qcom,sdm845-cdsp-pas
+              - qcom,sdm845-slpi-pas
     then:
       properties:
         interrupts:
@@ -162,6 +165,22 @@ allOf:
       required:
         - px-supply
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sdm845-slpi-pas
+    then:
+      properties:
+        power-domains:
+          items:
+            - description: LCX power domain
+            - description: LMX power domain
+        power-domain-names:
+          items:
+            - const: lcx
+            - const: lmx
+
   - if:
       properties:
         compatible: