dt-bindings: net: qcom: ethernet: Add interconnect properties

Add documentation for the interconnect and interconnect-names
properties required when voting for AHB and AXI buses.

Suggested-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Sagar Cheluvegowda <quic_scheluve@quicinc.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20251015-topic-qc_stmmac_icc_bindings-v5-1-da39126cff28@oss.qualcomm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
index e7ee0d9..423959c 100644
--- a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
@@ -73,6 +73,14 @@
 
   dma-coherent: true
 
+  interconnects:
+    maxItems: 2
+
+  interconnect-names:
+    items:
+      - const: cpu-mac
+      - const: mac-mem
+
   phys: true
 
   phy-names: