rpi-userland: add Restart=always to vcfiled.service

As suggested by Maxime Hadjinlian, add Restart=always to
vcfiled.service so that this service gets restarted if it ever exits
for some reason.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/rpi-userland/vcfiled.service

@@ -3,6 +3,7 @@ Description=VideoCore file server daemon
 
 [Service]
 ExecStart=/usr/sbin/vcfiled --foreground
+Restart=always
 
 [Install]
 WantedBy=multi-user.target