network-manager: add terminal based UI support

NM provides a newt based UI. One can create, modify and delete NM
connections via this interface.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/network-manager/Config.in

@@ -30,6 +30,12 @@ config BR2_PACKAGE_NETWORK_MANAGER
 
 if BR2_PACKAGE_NETWORK_MANAGER
 
+config BR2_PACKAGE_NETWORK_MANAGER_TUI
+	bool "nmtui support"
+	select BR2_PACKAGE_NEWT
+	help
+	  This option enables terminal based UI
+
 config BR2_PACKAGE_NETWORK_MANAGER_MODEM_MANAGER
 	bool "modem-manager support"
 	select BR2_PACKAGE_MODEM_MANAGER

package/network-manager/network-manager.mk

@@ -34,6 +34,13 @@ NETWORK_MANAGER_CONF_OPT = \
 		--disable-ifupdown \
 		--disable-ifnet
 
+ifeq ($(BR2_PACKAGE_NETWORK_MANAGER_TUI),y)
+	NETWORK_MANAGER_DEPENDENCIES += newt
+	NETWORK_MANAGER_CONF_OPT += --with-nmtui=yes
+else
+	NETWORK_MANAGER_CONF_OPT += --with-nmtui=no
+endif
+
 ifeq ($(BR2_PACKAGE_NETWORK_MANAGER_PPPD),y)
 	NETWORK_MANAGER_DEPENDENCIES += pppd
 	NETWORK_MANAGER_CONF_OPT += --enable-ppp