Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Update notes for release E

    Update userguide and release-notes

    JIRA:PARSER-163

    Change-Id: I3b15aa40afcb86a415997fc7e2471894bf3c9f06
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index e0ff4c6..988adca 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit e0ff4c6768fdae895d529cd7975fe90c913169c5
+Subproject commit 988adca961c04b10cc39d8f25707e731da91cb5d