dt-bindings: interconnect: Add OSM L3 compatible for QCS615 SoC

Add Operation State Manager (OSM) L3 interconnect provider binding for
QCS615 SoC. As the OSM hardware in QCS615 and SM8150 are same,
added a family-level compatible for SM8150 SoC.

Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250819-talos-l3-icc-v3-1-04529e85dac7@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>

Author: rlaggysh

Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml

@@ -41,6 +41,11 @@ properties:
               - qcom,qcs8300-epss-l3
           - const: qcom,sa8775p-epss-l3
           - const: qcom,epss-l3
+      - items:
+          - enum:
+              - qcom,qcs615-osm-l3
+          - const: qcom,sm8150-osm-l3
+          - const: qcom,osm-l3
 
   reg:
     maxItems: 1