update buildroot to 2017.02.11

bsp/buildroot/package/libxml2/0001-CVE-2017-8872.patch

@@ -0,0 +1,33 @@
+From 8b329effb610f4138e4e680f6a6867570f6d6179 Mon Sep 17 00:00:00 2001
+From: Baruch Siach <baruch@tkos.co.il>
+Date: Fri, 9 Feb 2018 10:58:11 +0200
+Subject: [PATCH] CVE-2017-8872
+
+Taken from attachment to upstream bug report comment #9.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=775200#c9
+https://bugzilla.gnome.org/attachment.cgi?id=366193&action=diff
+
+Signed-off-by: Baruch Siach <baruch@tkos.co.il>
+---
+ parser.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/parser.c b/parser.c
+index 1c5e036ea265..025111067ae8 100644
+--- a/parser.c
++++ b/parser.c
+@@ -12467,6 +12467,10 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) {
+ 	ctxt->input->cur = BAD_CAST"";
+ 	ctxt->input->base = ctxt->input->cur;
+         ctxt->input->end = ctxt->input->cur;
++    if (ctxt->input->buf)
++        xmlBufEmpty (ctxt->input->buf->buffer);
++    else
++        ctxt->input->length = 0;
+     }
+ }
+ 
+-- 
+2.15.1
+

bsp/buildroot/package/libxml2/libxml2.hash

@@ -1,2 +1,4 @@
 # Locally calculated after checking pgp signature
-sha256	4031c1ecee9ce7ba4f313e91ef6284164885cdb69937a123f6a83bb6a72dcd38	libxml2-2.9.5.tar.gz
+sha256	f63c5e7d30362ed28b38bfa1ac6313f9a80230720b7fb6c80575eeab3ff5900c	libxml2-2.9.7.tar.gz
+# License files, locally calculated
+sha256	c5c63674f8a83c4d2e385d96d1c670a03cb871ba2927755467017317878574bd	COPYING

bsp/buildroot/package/libxml2/libxml2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBXML2_VERSION = 2.9.5
+LIBXML2_VERSION = 2.9.7
 LIBXML2_SITE = ftp://xmlsoft.org/libxml2
 LIBXML2_INSTALL_STAGING = YES
 LIBXML2_LICENSE = MIT