Update git submodules

* Update docs/submodules/dcaegen2.git from branch 'master'
  to 2e46d2497183903b175a225471506fa793e5e607
  - Update docs for SON-Handler MS for Frankfurt release
    
    Issue-ID: DCAEGEN2-2104
    Signed-off-by: Reshmasree <reshmasree.chamarthi2@wipro.com>
    Change-Id: Ic1ad13859d2862e9b223c3af39be98307f8925a5
    
diff --git a/docs/submodules/dcaegen2.git b/docs/submodules/dcaegen2.git
index 729478d..2e46d24 160000
--- a/docs/submodules/dcaegen2.git
+++ b/docs/submodules/dcaegen2.git
@@ -1 +1 @@
-Subproject commit 729478d078e7570824472d02ff0d4e115cb33144
+Subproject commit 2e46d2497183903b175a225471506fa793e5e607