Update git submodules

* Update docs/submodules/aai/esr-gui.git from branch 'master'
  to c54138edc1b392ed89f147270ad680014f0dd2d6
  - Automation adds index.rst
    
    Issue-ID: CIMAN-376
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>
    Change-Id: Ia3fdff796592aeae0757c69198316aca39d33df1
    
diff --git a/docs/submodules/aai/esr-gui.git b/docs/submodules/aai/esr-gui.git
index 3991bce..c54138e 160000
--- a/docs/submodules/aai/esr-gui.git
+++ b/docs/submodules/aai/esr-gui.git
@@ -1 +1 @@
-Subproject commit 3991bce00fd48983be7f18467ca00abf8ec59bd2
+Subproject commit c54138edc1b392ed89f147270ad680014f0dd2d6