Merge pull request #2648 from splunk/urbiz-OD7048-ta-ad-linux

[7048]: Note on TA AD for Linux

Author: aurbiztondo-splunk

gdi/opentelemetry/collector-addon/collector-addon-intro.rst

@@ -62,7 +62,7 @@ The Collector in the Splunk Add-on for OpenTelemetry is the same Collector offer
 
   * - :ref:`Automatic discovery and configuration <discovery_mode>`
     - Supported
-    - Not supported
+    - Supported for Linux only
 
   * - Distribution and deployment
     - Source code, binary, Operator, Helm Charts, Debian, Ansible, Puppet, Chef, Salt