update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/python-cffi/Config.in

@@ -0,0 +1,9 @@
+config BR2_PACKAGE_PYTHON_CFFI
+	bool "python-cffi"
+	select BR2_PACKAGE_LIBFFI
+	help
+	  This is the Foreign Function Interface for Python calling C
+	  code. The aim of this project is to provide a convenient
+	  and reliable way of calling C code from Python.
+
+	  https://pypi.python.org/pypi/cffi

bsp/buildroot-2017.02.11/package/python-cffi/python-cffi.hash

@@ -0,0 +1,3 @@
+# md5 from https://pypi.python.org/pypi/cffi/json, sha256 locally computed
+md5  c8e877fe0426a99d0cf5872cf2f95b27  cffi-1.8.3.tar.gz
+sha256	 c321bd46faa7847261b89c0469569530cad5a41976bb6dba8202c0159f476568  cffi-1.8.3.tar.gz

bsp/buildroot-2017.02.11/package/python-cffi/python-cffi.mk

@@ -0,0 +1,27 @@
+################################################################################
+#
+# python-cffi
+#
+################################################################################
+
+PYTHON_CFFI_VERSION = 1.8.3
+PYTHON_CFFI_SOURCE = cffi-$(PYTHON_CFFI_VERSION).tar.gz
+PYTHON_CFFI_SITE = https://pypi.python.org/packages/0a/f3/686af8873b70028fccf67b15c78fd4e4667a3da995007afc71e786d61b0a
+PYTHON_CFFI_SETUP_TYPE = setuptools
+PYTHON_CFFI_DEPENDENCIES = host-pkgconf libffi
+PYTHON_CFFI_LICENSE = MIT
+PYTHON_CFFI_LICENSE_FILES = LICENSE
+
+# This host package uses pkg-config to find libffi, so we have to
+# provide the proper hints for pkg-config to behave properly for host
+# packages.
+HOST_PYTHON_CFFI_ENV = \
+	PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
+	PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
+	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
+	PKG_CONFIG_SYSROOT_DIR="/" \
+	PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig"
+HOST_PYTHON_CFFI_DEPENDENCIES = host-pkgconf host-python-pycparser host-libffi
+
+$(eval $(python-package))
+$(eval $(host-python-package))