fix: correct autostart command in setup script

Author: th33k

pi-node/setup.sh

@@ -161,7 +161,7 @@ if [[ -d /home/pi ]]; then
     xset -dpms
     unclutter -idle 0.5 -root &
     systemctl start display-kiosk &
-    AUTOSTART
+AUTOSTART
     chown -R pi:pi /home/pi/.config
 fi