Changed RPM dependencies to suggestions

Change-Id: I3d2918cc1f86733aaee41f86e1619bd22316398b
Signed-off-by: Maisam Arif <Maisam.Arif@amd.com>

docs/sphinx/_toc.yml.in

@@ -15,6 +15,8 @@ subtrees:
     entries:
       - file: amdsmi_cli_readme_link
         title: Python CLI Tool
+      - file: amdsmi_release_notes_link
+        title: Python CLI Release Notes
   - caption: About
     entries:
       - file: license