dt-bindings: cpufreq: qcom: Add missing cache related properties

The examples' cache nodes are incomplete as 'cache-unified' and
'cache-level' are required cache properties.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

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

@@ -85,9 +85,13 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 0>;
         L2_0: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
           L3_0: l3-cache {
             compatible = "cache";
+            cache-unified;
+            cache-level = <3>;
           };
         };
       };
@@ -101,6 +105,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 0>;
         L2_100: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -114,6 +120,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 0>;
         L2_200: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -127,6 +135,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 0>;
         L2_300: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -140,6 +150,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 1>;
         L2_400: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -153,6 +165,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 1>;
         L2_500: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -166,6 +180,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 1>;
         L2_600: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };
@@ -179,6 +195,8 @@ examples:
         qcom,freq-domain = <&cpufreq_hw 1>;
         L2_700: l2-cache {
           compatible = "cache";
+          cache-unified;
+          cache-level = <2>;
           next-level-cache = <&L3_0>;
         };
       };