Update get_atcommand to use ttyOUT2

Using the intended AT command stream now. Should be more responsive.

simpleadmin/www/cgi-bin/get_atcommand

@@ -20,7 +20,7 @@ fi
 MYATCMD=$(printf '%b\n' "${atcmd//%/\\x}")
 if [ -n "${MYATCMD}" ]; then
    x=$(urldecode "$atcmd")
-   runcmd=$(echo -en "$x\r\n" | microcom -t 2000 /dev/ttyOUT)
+   runcmd=$(echo -en "$x\r\n" | microcom -t 2000 /dev/ttyOUT2)
 fi
 
 echo "Content-type: text/plain"