update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/expat/Config.in

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_EXPAT
+	bool "expat"
+	help
+	  The Expat XML Parser.
+
+	  http://expat.sourceforge.net

bsp/buildroot-2017.02.11/package/expat/expat.hash

@@ -0,0 +1,5 @@
+# From https://sourceforge.net/projects/expat/files/expat/2.2.2/
+md5	1ede9a41223c78528b8c5d23e69a2667	expat-2.2.2.tar.bz2
+sha1	891cee988b38d5d66953f62f94c3150b8810a70a	expat-2.2.2.tar.bz2
+# Calculated based on the hashes above
+sha256	4376911fcf81a23ebd821bbabc26fd933f3ac74833f74924342c29aad2c86046	expat-2.2.2.tar.bz2

bsp/buildroot-2017.02.11/package/expat/expat.mk

@@ -0,0 +1,28 @@
+################################################################################
+#
+# expat
+#
+################################################################################
+
+EXPAT_VERSION = 2.2.2
+EXPAT_SITE = http://downloads.sourceforge.net/project/expat/expat/$(EXPAT_VERSION)
+EXPAT_SOURCE = expat-$(EXPAT_VERSION).tar.bz2
+EXPAT_INSTALL_STAGING = YES
+EXPAT_INSTALL_STAGING_OPTS = DESTDIR=$(STAGING_DIR) installlib
+EXPAT_INSTALL_TARGET_OPTS = DESTDIR=$(TARGET_DIR) installlib
+EXPAT_DEPENDENCIES = host-pkgconf
+HOST_EXPAT_DEPENDENCIES = host-pkgconf
+EXPAT_LICENSE = MIT
+EXPAT_LICENSE_FILES = COPYING
+
+# Kernel versions older than 3.17 do not support getrandom()
+ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17),)
+EXPAT_CONF_ENV += CPPFLAGS="$(TARGET_CPPFLAGS) -DXML_POOR_ENTROPY"
+endif
+
+# Make build succeed on host kernel older than 3.17. getrandom() will still
+# be used on newer kernels.
+HOST_EXPAT_CONF_ENV += CPPFLAGS="$(HOST_CPPFLAGS) -DXML_POOR_ENTROPY"
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))