keycodemapdb: Update git submodule

This brings in all the fixes made since April 2020.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

diff --git a/src/keycodemapdb b/src/keycodemapdb
index 27acf0ef828bf719b2053ba398b195829413dbdd..57ba70da5312170883a3d622cd2aa3fd0e2ec7ae 160000 (submodule)
--- a/src/keycodemapdb
+++ b/src/keycodemapdb
@@ -1 +1 @@
-Subproject commit 27acf0ef828bf719b2053ba398b195829413dbdd
+Subproject commit 57ba70da5312170883a3d622cd2aa3fd0e2ec7ae