qt: make sure to install all Qt-fonts and true-type-fonts

Qt gained some more qpf-fonts and also provides some true-type-fonts.
Make sure to install them all inclusive ttf-fonts when freetype-support
is enabled. Additionally the empty 'fontdir' file is really not needed.

Signed-off-by: Michael Roth <mroth@nessie.de>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/qt/qt.mk

@@ -455,10 +455,10 @@ $(STAGING_DIR)/usr/lib/libQtCore.la: $(QT_TARGET_DIR)/.compiled
 
 qt-gui: $(STAGING_DIR)/usr/lib/libQtCore.la
 	mkdir -p $(TARGET_DIR)/usr/lib/fonts
-	touch $(TARGET_DIR)/usr/lib/fonts/fontdir
-	cp -dpf $(STAGING_DIR)/usr/lib/fonts/helvetica*.qpf $(TARGET_DIR)/usr/lib/fonts
-	cp -dpf $(STAGING_DIR)/usr/lib/fonts/fixed*.qpf $(TARGET_DIR)/usr/lib/fonts
-	cp -dpf $(STAGING_DIR)/usr/lib/fonts/micro*.qpf $(TARGET_DIR)/usr/lib/fonts
+	cp -dpf $(STAGING_DIR)/usr/lib/fonts/*.qpf $(TARGET_DIR)/usr/lib/fonts
+ifneq ($(BR2_PACKAGE_QT_NOFREETYPE),y)
+	cp -dpf $(STAGING_DIR)/usr/lib/fonts/*.ttf $(TARGET_DIR)/usr/lib/fonts
+endif
 	# Install image plugins if they are built
 	$(call QT_INSTALL_PLUGINS,imageformats)
 ifeq ($(BR2_PACKAGE_QT_SHARED),y)