Update buidlroot to version 2016.08.1

bsp/buildroot/package/gtksourceview/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_GTKSOURCEVIEW
+	bool "gtksourceview"
+	depends on BR2_PACKAGE_LIBGTK3
+	select BR2_PACKAGE_LIBXML2
+	help
+	  GtkSourceView is a portable C library that extends the
+	  standard GTK+ framework for multiline text editing with
+	  support for configurable syntax highlighting, unlimited
+	  undo/redo, search and replace, a completion framework,
+	  printing and other features typical of a source code editor.
+
+	  https://projects.gnome.org/gtksourceview

bsp/buildroot/package/gtksourceview/gtksourceview.hash

@@ -0,0 +1,2 @@
+# Hash from: http://ftp.gnome.org/pub/gnome/sources/gtksourceview/3.21/gtksourceview-3.21.3.sha256sum:
+sha256	12ea703e1903215629580ddab7751e419bf73a8aacfbbc53c75dc1b9cb0dfba7	gtksourceview-3.21.3.tar.xz

bsp/buildroot/package/gtksourceview/gtksourceview.mk

@@ -0,0 +1,17 @@
+################################################################################
+#
+# gtksourceview
+#
+################################################################################
+
+GTKSOURCEVIEW_VERSION_MAJOR = 3.21
+GTKSOURCEVIEW_VERSION = $(GTKSOURCEVIEW_VERSION_MAJOR).3
+GTKSOURCEVIEW_SOURCE = gtksourceview-$(GTKSOURCEVIEW_VERSION).tar.xz
+GTKSOURCEVIEW_SITE = \
+	http://ftp.gnome.org/pub/gnome/sources/gtksourceview/$(GTKSOURCEVIEW_VERSION_MAJOR)
+GTKSOURCEVIEW_LICENSE = LGPLv2.1+
+GTKSOURCEVIEW_LICENSE_FILES = COPYING
+GTKSOURCEVIEW_INSTALL_STAGING = YES
+GTKSOURCEVIEW_DEPENDENCIES = host-pkgconf libglib2 libxml2 libgtk3
+
+$(eval $(autotools-package))