Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Handle flavor before image

    JIRA: PARSER-174

    Change-Id: I891398e634846db617081b0baed9adf0662743b7
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index 81b39e4..2fb1e56 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit 81b39e4d122c1a7566d02348e4d62c882ef4a9aa
+Subproject commit 2fb1e566b5cf237b17619519746b066614719c23