swupdate: Wait for process to exit
swupdate: Wait for process to exit

Modifies the sysVinit script to wait for the process to exit before
continuing. This prevents a quick stop and start or restart from
failing because the process wasn't finished exiting before the start was
called.

Signed-off-by: Joshua Watt <a9203822f8e5fd5efed99f9b90edb711b0bebce2@gmail.com>

sbabic/meta-swupdate,sbabic/meta-swupdate