Update Buildroot from 17.02.5 -> 17.02.6

bsp/buildroot/package/qt/0006-script-qtdbus-no-gui.patch

@@ -0,0 +1,22 @@
+[PATCH] fix build with script+dbus enabled, but no gui
+
+The script/qtdbus plugin doesn't need gui support, so don't try to
+link it against libQtGui.
+
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
+---
+ src/plugins/script/qtdbus/qtdbus.pro |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: qt-4.7.3/src/plugins/script/qtdbus/qtdbus.pro
+===================================================================
+--- qt-4.7.3.orig/src/plugins/script/qtdbus/qtdbus.pro
++++ qt-4.7.3/src/plugins/script/qtdbus/qtdbus.pro
+@@ -1,6 +1,6 @@
+ TARGET  = qtscriptdbus
+ include(../../qpluginbase.pri)
+-QT = core gui script
++QT = core script
+ CONFIG += qdbus
+ 
+ SOURCES += main.cpp