tools/emacs: update embark submodule - home - Unnamed repository; edit this file 'description' to name the repository.

commit 5cd77d8ff6ca3c2d9403545622696e774bbb726e
parent 18d5ab882b39f2820222cf5707513a53c4b0de4f
Author: Vincent Demeester <vincent@sbr.pm>
Date:   Tue, 11 Aug 2020 10:05:14 +0200

tools/emacs: update embark submodule

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

	home Unnamed repository; edit this file 'description' to name the repository.
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