Bump buidlroot version to 2018.02.6

bsp/buildroot/package/python/0024-Add-an-option-to-disable-NIS.patch

@@ -0,0 +1,33 @@
+From 133776d396b8eaf0243484dc990a53576de9685f Mon Sep 17 00:00:00 2001
+From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Date: Tue, 7 Mar 2017 22:29:41 +0100
+Subject: [PATCH] Add an option to disable NIS
+
+NIS is not necessarily available in uClibc, so we need an option to
+not compile support for it.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ configure.ac | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 6a854ab..4c2cbc1 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -2828,6 +2828,12 @@ AC_ARG_ENABLE(codecs-cjk,
+     	     DISABLED_EXTENSIONS="${DISABLED_EXTENSIONS} _codecs_kr _codecs_jp _codecs_cn _codecs_tw _codecs_hk"
+   	  fi])
+ 
++AC_ARG_ENABLE(nis,
++	AS_HELP_STRING([--disable-nis], [disable NIS]),
++	[ if test "$enableval" = "no"; then
++    	     DISABLED_EXTENSIONS="${DISABLED_EXTENSIONS} nis"
++  	  fi])
++
+ AC_SUBST(TK)
+ AC_ARG_ENABLE(tk,
+ 	AS_HELP_STRING([--disable-tk], [disable tk]),
+-- 
+2.7.4
+