Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to a84a7c622ecb0574750038f35195b1534eda7abc
  - Merge "Improve unit test coverage of ToscaYamlToJsonConvertor"
  - Improve unit test coverage of ToscaYamlToJsonConvertor

    Improve unit test coverage of ToscaYamlToJsonConvertor

    Change-Id: Ia5dc07288b878ac62d74313032ba2b4ee69f9c2e
    Issue-ID: CLAMP-510
    Signed-off-by: Vidyashree Rama <vidyashree.rama@huawei.com>

diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index 2003710..a84a7c6 160000 (submodule)
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit 200371009b84b9f6cfbd26816392a71e213dc3c5
+Subproject commit a84a7c622ecb0574750038f35195b1534eda7abc