add Code/scripts/uconsole-4g-cm4 from stock cm4 image

Code/scripts/uconsole-4g-cm4

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+function tip {
+
+echo "use mmcli -L to see 4G modem or not"
+}
+
+function enable4g {
+
+echo "Power on 4G module on uConsole cm4"
+
+sudo gpio mode 24 out 
+sudo gpio write 24 1 
+
+sudo gpio mode 15 out 
+sudo gpio write 15 1 
+
+sleep 5
+sudo gpio write 15 0
+
+echo "waiting..."
+sleep 13
+echo "done"
+
+}
+
+function disable4g {
+echo "Power off 4G module"
+
+sudo gpio mode 24 out 
+sudo gpio write 24 0 
+
+sudo gpio write 24 1
+sleep 3
+sudo gpio write 24 0
+
+sleep 20
+
+echo "Done"
+
+}
+if [ "$#" -ne 1 ] ; then
+        echo "$0: enable/disable"
+        exit 3
+fi
+
+
+if [ $1 == "enable" ]; then
+
+enable4g;
+tip;
+
+fi
+
+
+if [ $1 == "disable" ]; then
+ disable4g
+ tip;
+fi