Bump buildroot to 2019.02

bsp/buildroot/package/network-manager/S45network-manager

@@ -1,12 +1,7 @@
 #!/bin/sh
 
-prefix=/usr
-exec_prefix=/usr
-sbindir=${exec_prefix}/sbin
-
-NETWORKMANAGER_BIN=${sbindir}/NetworkManager
-
-[ -x $NETWORKMANAGER_BIN ] || exit 0
+# Allow a few customizations from a config file
+test -r /etc/default/NetworkManager && . /etc/default/NetworkManager
 
 PID=`pidof NetworkManager`
 case "$1" in
@@ -14,7 +9,7 @@ case "$1" in
 		printf "Starting NetworkManager ... "
 		[ ! -d /var/run/NetworkManager ] && install -d /var/run/NetworkManager
 		if [ -z "$PID" ]; then
-			$NETWORKMANAGER_BIN
+			/usr/sbin/NetworkManager $NETWORKMANAGER_ARGS
 		fi
 		if [ ! -z "$PID" -o $? -gt 0 ]; then
 			echo "failed!"