mxraid: Start before basic.target

There is a race when other services want to  use local amd paths. All
services order behing basic.target per default, so move mxraid and
mxmount before it.

Also make mxraid.startup.service  and mxraid.shutdown.service into one
but temporarily keep mxraid.shutdown.service for running systems.

install.sh

@@ -145,7 +145,7 @@ install_exec pkgadmin/pkgadmin                           "$DESTDIR$usr_sbindir/p
 install_cron pkgadmin/crond-pkgadmin-update              "$DESTDIR$crond_dir/pkgadmin-update"
 install_exec mxraid/mxraid                               "$DESTDIR$usr_sbindir/mxraid"
 install_exec mxraid/mxraid_assemble                      "$DESTDIR$usr_sbindir/mxraid_assemble"
-install_data mxraid/mxraid.startup.service               "$DESTDIR$systemdunitdir/mxraid.startup.service"
+install_data mxraid/mxraid.service                       "$DESTDIR$systemdunitdir/mxraid.service"
 install_data mxraid/mxraid.shutdown.service              "$DESTDIR$systemdunitdir/mxraid.shutdown.service"
 install_exec mxraid/mdcheck.safe                         "$DESTDIR$usr_bindir/mdcheck.safe"
 install_cron mxraid/crond-mdcheck                        "$DESTDIR$crond_dir/mdcheck"

mxraid/mxraid.service

@@ -0,0 +1,16 @@
+[Unit]
+DefaultDependencies=no
+After=udev-settled.target
+Wants=udev-settled.target
+Before=mxmount.service
+Conflicts=shutdown.target
+Before=shutdown.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/sbin/mxraid start
+ExecStop=/usr/sbin/mxraid stop
+
+[Install]
+WantedBy=local-fs.target