Build timestamps prevent reproducible builds [0].
Thanks to debian for the patch

[0] https://reproducible-builds.org/docs/timestamps/



Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

Adds the command line tools that ship with Asterisk as optional
packages.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

@kochstefan pointed out that asterisk 15 doesn't load any modules. It
turned out that this happens because of patch that was dropped. Add the
patch again.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

I introduce asterisk 15.x as a replacement for asterisk 11.x. Currently
without support for chan-lantiq and sccp-b. Those features are going to
be added soon after this introduction.

Signed-off-by: Jiri Slachta <jiri@slachta.eu>