Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "Remove the committer for stepping down"
  - Remove the committer for stepping down

    Thanks Christopher Price for his great job for dovetail
    He created the dovetial and made great contribution.
    Based on his Intention, the INFO is updated

    Change-Id: I8fc1e552062cb7e429d42b6d4af41a7cd620c4f6
    Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 3d64e6a..263e1a9 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 3d64e6a44e1eb9a1664bf0594e4cb6b72912e726
+Subproject commit 263e1a93ea6d1a3bbbf773efb41338bd789a1269