dt-bindings: power: rpmpd: Add SM8550 to rpmpd binding

Add compatible and constants for the power domains exposed by the RPMH
in the Qualcomm SM8550 platform.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221116111745.2633074-2-abel.vesa@linaro.org

Documentation/devicetree/bindings/power/qcom,rpmpd.yaml

@@ -47,6 +47,7 @@ properties:
       - qcom,sm8250-rpmhpd
       - qcom,sm8350-rpmhpd
       - qcom,sm8450-rpmhpd
+      - qcom,sm8550-rpmhpd
 
   '#power-domain-cells':
     const: 1

include/dt-bindings/power/qcom-rpmpd.h

@@ -113,6 +113,22 @@
 #define SM8450_MXC_AO	11
 #define SM8450_MSS	12
 
+/* SM8550 Power Domain Indexes */
+#define SM8550_CX	0
+#define SM8550_CX_AO	1
+#define SM8550_EBI	2
+#define SM8550_GFX	3
+#define SM8550_LCX	4
+#define SM8550_LMX	5
+#define SM8550_MMCX	6
+#define SM8550_MMCX_AO	7
+#define SM8550_MX	8
+#define SM8550_MX_AO	9
+#define SM8550_MXC	10
+#define SM8550_MXC_AO	11
+#define SM8550_MSS	12
+#define SM8550_NSP	13
+
 /* QDU1000/QRU1000 Power Domain Indexes */
 #define QDU1000_EBI	0
 #define QDU1000_MSS	1