Replace "set-sysconf" for a more descriptive "rpi-set-sysconf"

rpi-set-sysconf.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Set up system configuration
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/sbin/set-sysconf
+ExecStart=/bin/systemctl --no-reload disable %n
+
+[Install]
+RequiredBy=basic.target