Update git submodules

* Update docs/submodules/promise from branch 'master'
  - Fixed typo

    Change-Id: I6746446acd915c853bf493f444a96a1c04590f19
    Signed-off-by: Bertrand Souville <souville@docomolab-euro.com>

diff --git a/docs/submodules/promise b/docs/submodules/promise
index bd9acd1..30125bc 160000 (submodule)
--- a/docs/submodules/promise
+++ b/docs/submodules/promise
@@ -1 +1 @@
-Subproject commit bd9acd199e55efc097443d8c99027cf0030b5e78
+Subproject commit 30125bcaa029df296a2dd2b214774e36ec995a24