Update git submodules

* Update docs/submodules/multicloud/azure.git from branch 'master'
  to 78c9d578f5e35015cc5746c2275590f43b4127c9
  - Update info.yaml to add new committer
    
    Change-Id: I68c22444b2ca79035edb681726acbc6f25c4ad37
    Issue-ID: MULTICLOUD-580
    Signed-off-by: Bin Yang <bin.yang@windriver.com>
    
diff --git a/docs/submodules/multicloud/azure.git b/docs/submodules/multicloud/azure.git
index 2fbd078..78c9d57 160000
--- a/docs/submodules/multicloud/azure.git
+++ b/docs/submodules/multicloud/azure.git
@@ -1 +1 @@
-Subproject commit 2fbd078605c199e49118037747325e833318ef51
+Subproject commit 78c9d578f5e35015cc5746c2275590f43b4127c9