Commit 7519a36774 ("base-files,procd: add generic service status")
introduced the generic 'status' command which broke the previous
dsl_control status output. To fix this, let's rename the "old" command
to "dslstat".
Fixes: 7519a36774 ("base-files,procd: add generic service status")
Signed-off-by: Martin Schiller <ms@dev.tdt.de>