Name the pidfile of each dropbear instance according to the
corresponding uci section name. This enables a 1:1 mapping between the
definition of the service instance and its process.
Signed-off-by: Andreas Gnau <andreas.gnau@iopsys.eu>
Link: https://github.com/openwrt/openwrt/pull/15177
Signed-off-by: John Crispin <john@phrozen.org>