Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 154106346785b023a173fff0115bc97434e93891
  - Add new testcases to the existing class.
    
    Added new testcases to improve the coverage.
    
    Issue-ID: SDC-1774
    
    Change-Id: I08f18ca947891c596c32b867e444e72b56c9db39
    Signed-off-by: isaac.manuelraj <isaac.manuelraj@huawei.com>
    
diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index d23fb0f..1541063 160000
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit d23fb0f9e149f132907230270713b1d81ced8ffb
+Subproject commit 154106346785b023a173fff0115bc97434e93891