Bump buidlroot version to 2018.02.6

bsp/buildroot/package/gpm/0004-Use-sigemptyset-API-instead-of-__sigemptyset.patch

@@ -0,0 +1,33 @@
+From fdc42770596e25749f7e2ce0ea97882177397167 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sun, 25 Jun 2017 07:25:33 -0700
+Subject: [PATCH] Use sigemptyset API instead of __sigemptyset
+
+__sigemptyset has been removed from glibc public
+API headers in upcoming (2.26) release onwards
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
+---
+ src/prog/gpm-root.y | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/src/prog/gpm-root.y b/src/prog/gpm-root.y
+index 5126c65..76c896c 100644
+--- a/src/prog/gpm-root.y
++++ b/src/prog/gpm-root.y
+@@ -1196,11 +1196,7 @@ int main(int argc, char **argv)
+                                                         LOG_DAEMON : LOG_USER);
+    /* reap your zombies */
+    childaction.sa_handler=reap_children;
+-#if defined(__GLIBC__)
+-   __sigemptyset(&childaction.sa_mask);
+-#else /* __GLIBC__ */
+    sigemptyset(&childaction.sa_mask);
+-#endif /* __GLIBC__ */
+    childaction.sa_flags=0;
+    sigaction(SIGCHLD,&childaction,NULL);
+ 
+-- 
+2.14.2
+

bsp/buildroot/package/gpm/Config.in

@@ -3,11 +3,11 @@ config BR2_PACKAGE_GPM
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_USE_MMU # fork()
 	help
-	  "gpm" means general purpose mouse (server) and provides mouse support
-	  for Linux virtual consoles.
-	  gpm-root (to draw menus in current virtual console; config file in
-	  /etc/gpm-root.conf) and disable-paste (to disable paste buffer for
-	  security reasons), will also be installed.
+	  "gpm" means general purpose mouse (server) and provides mouse
+	  support for Linux virtual consoles.
+	  gpm-root (to draw menus in current virtual console; config
+	  file in /etc/gpm-root.conf) and disable-paste (to disable
+	  paste buffer for security reasons), will also be installed.
 
 	  http://www.nico.schottelius.org/software/gpm/
 

bsp/buildroot/package/gpm/gpm.mk

@@ -7,7 +7,7 @@
 GPM_VERSION = 1.20.7
 GPM_SOURCE = gpm-$(GPM_VERSION).tar.lzma
 GPM_SITE = http://www.nico.schottelius.org/software/gpm/archives
-GPM_LICENSE = GPLv2+
+GPM_LICENSE = GPL-2.0+
 GPM_LICENSE_FILES = COPYING
 GPM_INSTALL_STAGING = YES
 GPM_DEPENDENCIES = host-bison