fix: additional fixups for UNVR/UNVRPro

* Fixup fan control so it works on UNVR
* Add LED integration work for UNVR
* Rename our mtd-ro kernel module dir
* Fixup shortnames in ubnteeprom

overlay/filesystem/usr/bin/unvr-fan-daemon

@@ -3,7 +3,7 @@ import os
 import re
 import time
 
-from ubnthelpers import get_ubnt_shortname
+from functools import lru_cache
 
 SMARTCTL_PATH = "/usr/sbin/smartctl"
 
@@ -36,6 +36,12 @@ THERMAL_SYS_PATHS = {
     },
 }
 
+
+@lru_cache(None)
+def get_ubnt_shortname() -> str:
+    return os.popen("ubnteeprom -systeminfo -key shortname").read().rstrip("\n")
+
+
 def __get_board_temps():
     # Are we supported?
     if get_ubnt_shortname() not in THERMAL_SYS_PATHS:

overlay/filesystem/usr/lib/init/boot/ubnt-ulcmd.sh

@@ -16,7 +16,8 @@ case "$(ubnteeprom -systeminfo -key shortname)" in
         exec ulcmd
         ;;
     "UNVR4")
-        # TODO: LED setup (2=white, 1=blue) against /sys/class/leds/ulogo_ctrl
+        # 2=white, 1=blue, 0=off, needs a value set with :x for ms
+        echo 1:500 > /sys/class/leds/ulogo_ctrl/pattern 
         # Start our "daemon" loop so systemd stays happy
         while true; do
             sleep 3600

overlay/filesystem/usr/lib/python3/dist-packages/ubnthelpers.py

@@ -1,11 +0,0 @@
-#!/usr/bin/python3
-import os
-from functools import lru_cache
-
-"""
-A handful of Ubiquiti Unifi device specific functions
-"""
-
-@lru_cache(None)
-def get_ubnt_shortname() -> str:
-    return os.popen("ubnteeprom -systeminfo -key shortname").read().rstrip("\n")

overlay/filesystem/usr/lib/systemd/system-shutdown/unifi-shutdown

@@ -36,3 +36,8 @@ elif [ -f "/sys/class/hwmon/hwmon0/pwm1" ]; then
 		echo 0 > "${pwm}"
 	done
 fi
+
+# If UNVR, turn off LED
+if [ -f "/sys/class/leds/ulogo_ctrl/pattern" ]; then
+	echo 0:500 > /sys/class/leds/ulogo_ctrl/pattern
+fi