Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Merge "Fix substitution mapping assigned value to nodetemplate"
  - Fix substitution mapping assigned value to nodetemplate

    Currently the assignment mapped template value to nodetemplate is error,
    and additionally debug_mode is not transfered to nested template. So the
    patch will fix them.

    JIRA: PARSER-155

    Change-Id: I8c5801b00ae56b9ba2eb92a6f14357c2f5328718
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index 8153ff1..87920ff 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit 8153ff1bac0ec3664c777302396698e4fb5f34b9
+Subproject commit 87920ff99ba0a2ba5cbe0532a4f6d94846525f51