dt-bindings: cpufreq: qcom-hw: add a 4th frequency domain

On new platforms, a 4th frequency domain is used, document it.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

Author: superna9999

Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml

@@ -49,13 +49,15 @@ properties:
       - description: Frequency domain 0 register region
       - description: Frequency domain 1 register region
       - description: Frequency domain 2 register region
+      - description: Frequency domain 3 register region
 
   reg-names:
     minItems: 1
     items:
       - const: freq-domain0
       - const: freq-domain1
       - const: freq-domain2
+      - const: freq-domain3
 
   clocks:
     items:
@@ -69,14 +71,15 @@ properties:
 
   interrupts:
     minItems: 1
-    maxItems: 3
+    maxItems: 4
 
   interrupt-names:
     minItems: 1
     items:
       - const: dcvsh-irq-0
       - const: dcvsh-irq-1
       - const: dcvsh-irq-2
+      - const: dcvsh-irq-3
 
   '#freq-domain-cells':
     const: 1