removed ifup and increased delay

general/overlay/etc/wireless/modem

@@ -80,9 +80,7 @@ if [ "$1" = "sim7600g" ]; then
 	modprobe rndis_host
 	modprobe option
 	echo "1e0e 9011" > /sys/bus/usb-serial/drivers/option1/new_id
-	sleep 2
-	ifup usb0
-	sleep 2
+	sleep 5
 	exit 0
 fi
 
@@ -90,18 +88,14 @@ fi
 if [ "$1" = "rndis-ec25" ]; then
 	modprobe rndis_host
 	modprobe option
-	sleep 2
-	ifup usb0
-	sleep 2
+	sleep 5
 	exit 0
 fi
 
 # EG25/EC25-xxx (ECM, AT+QCFG="usbnet",1)
 if [ "$1" = "ec25" ]; then
 	modprobe option
-	sleep 2
-	ifup usb0
-	sleep 2
+	sleep 5
 	exit 0
 fi
 exit 1