Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Merge "fix costum datatype definition in parameters"
  - fix costum datatype definition in parameters

    Currently, support customized datatype in parameters is error when
    transfer custom_defs in DataEntity.validate_datatype(self.type, value,
    None, datatype), it should be full custom definitions , not only one
    definition. the patch will fix it.

    JIRA: PARSER-152

    Change-Id: If6d59f21fa75cbdf4e8e16f093e3d807910ad234
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index 2cc6c11..792dd7a 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit 2cc6c115312eed7931a4ecf96b3ff3f19645011a
+Subproject commit 792dd7acf8ac48ccb6fc35d99e4099559a2c9e9c