swupdate: systemd units from master

Signed-off-by: Stefano Babic <sbabic@denx.de>

recipes-support/swupdate/swupdate/swupdate-progress.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=swupdate progress service
+Requires=swupdate.service
+
+[Service]
+ExecStart=/usr/bin/swupdate-progress -r -w

recipes-support/swupdate/swupdate/swupdate-usb.rules

@@ -0,0 +1,2 @@
+ACTION=="add", KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_FS_USAGE}=="filesystem", TAG+="systemd", ENV{SYSTEMD_WANTS}+="swupdate-usb@%k.service"
+

recipes-support/swupdate/swupdate/swupdate-usb@.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=usb media swupdate service
+Requires=swupdate-progress.service
+
+[Service]
+ExecStartPre=/bin/mount /dev/%I /mnt
+ExecStart=/bin/sh -c "swupdate-client -v /mnt/*.swu"
+ExecStopPost=/bin/umount /mnt