Add eventor_sbus_dma_channels SoC config for 11.x J3AI in FBOSS

Summary:
Add eventor_sbus_dma_channels SoC config for 11.x J3AI in FBOSS.

This will be reverted while integrating 12.0.0.3 and instead
will be added in the config directly.

Reviewed By: shri-khare, zechengh09

Differential Revision: D64310813

fbshipit-source-id: 177068a2e821b9588979c84248c11966a4b363c4

fboss/agent/platforms/sai/SaiPlatform.cpp

@@ -258,6 +258,17 @@ std::string SaiPlatform::getHwAsicConfig(
   for (const auto& entry : commonConfigs) {
     addNameValue(entry);
   }
+
+#if defined(SAI_VERSION_11_3_0_0_DNX_ODP)
+  if (getAsic()->isSupported(HwAsic::Feature::EVENTOR_PORT_FOR_SFLOW)) {
+    // Interim workaround for 11.0.0.14 as this SoC property is needed for
+    // J3AI 11.x but not for 12.x until 12.0.0.3.
+    // TODO: While integrating 12.0.0.3, this workaround needs to be removed
+    // and instead this SoC property would be added in config directly.
+    nameValStrs.push_back("eventor_sbus_dma_channels.BCM8889X=0,6,0,7");
+  }
+#endif
+
   /*
    * Single NPU platfroms will not have any npu entries. In such cases,
    * we can directly use the common config.