[emacs] switch from bbdb to ebdb again

[~bandali/configs] / lib / ebdb

diff --git a/lib/ebdb b/lib/ebdb
new file mode 160000 (submodule)
index 0000000..4444031
--- /dev/null
+++ b/lib/ebdb
@@ -0,0 +1 @@
+Subproject commit 44440310e739df9d46aaa38f9ac275199f25f439