Bump buidlroot version to 2018.02.6

bsp/buildroot/package/libupnp18/Config.in

@@ -0,0 +1,16 @@
+config BR2_PACKAGE_LIBUPNP18
+	bool "libupnp18"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_PACKAGE_LIBUPNP
+	help
+	  The portable SDK for UPnP(tm) Devices (libupnp) provides
+	  developers with an API and open source code for building
+	  control points, devices, and bridges that are compliant with
+	  Version 1.0 of the Universal Plug and Play Device Architecture
+	  Specification
+
+	  http://pupnp.sourceforge.net/
+
+comment "libupnp18 needs a toolchain w/ threads"
+	depends on !BR2_PACKAGE_LIBUPNP
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

bsp/buildroot/package/libupnp18/libupnp18.hash

@@ -0,0 +1,5 @@
+# From https://sourceforge.net/projects/pupnp/files/pupnp/libUPnP%201.8.3/libupnp-1.8.3.tar.bz2.sha1
+sha1 e7c28c24905ae972ff3277a7bdaa9b839f6c66b9  libupnp-1.8.3.tar.bz2
+# Locally computed:
+sha256	9afa0b09faa9ebd9e8a6425ddbfe8d1d856544c49b1f86fde221219e569a308d	libupnp-1.8.3.tar.bz2
+sha256	0375955c8a79d6e8fa0792d45d00fc4e7710d7ac95bcbd27f9225a83f5c946fd	LICENSE

bsp/buildroot/package/libupnp18/libupnp18.mk

@@ -0,0 +1,15 @@
+################################################################################
+#
+# libupnp18
+#
+################################################################################
+
+LIBUPNP18_VERSION = 1.8.3
+LIBUPNP18_SOURCE = libupnp-$(LIBUPNP18_VERSION).tar.bz2
+LIBUPNP18_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libUPnP%20$(LIBUPNP18_VERSION)
+LIBUPNP18_CONF_ENV = ac_cv_lib_compat_ftime=no
+LIBUPNP18_INSTALL_STAGING = YES
+LIBUPNP18_LICENSE = BSD-3-Clause
+LIBUPNP18_LICENSE_FILES = LICENSE
+
+$(eval $(autotools-package))