Bump buidlroot version to 2018.02.6

bsp/buildroot/package/x11r7/xcb-util-wm/Config.in

@@ -2,12 +2,13 @@ config BR2_PACKAGE_XCB_UTIL_WM
 	bool "xcb-util-wm"
 	select BR2_PACKAGE_LIBXCB
 	help
-	  The XCB util modules provides a number of libraries which sit on top
-	  of libxcb, the core X protocol library, and some of the extension
-	  libraries. These experimental libraries provide convenience functions
-	  and interfaces which make the raw X protocol more usable. Some of the
-	  libraries also provide client-side code which is not strictly part of
-	  the X protocol but which have traditionally been provided by Xlib.
+	  The XCB util modules provides a number of libraries which
+	  sit on top of libxcb, the core X protocol library, and some
+	  of the extension libraries. These experimental libraries
+	  provide convenience functions and interfaces which make the
+	  raw X protocol more usable. Some of the libraries also
+	  provide client-side code which is not strictly part of the X
+	  protocol but which have traditionally been provided by Xlib.
 
 	  XCB util-wm module provides the following libraries:
 	    - ewmh: Both client and window-manager helpers for EWMH.

bsp/buildroot/package/x11r7/xcb-util-wm/xcb-util-wm.hash

@@ -1,2 +1,4 @@
 # From http://lists.x.org/archives/xorg-announce/2014-February/002401.html
 sha256	28bf8179640eaa89276d2b0f1ce4285103d136be6c98262b6151aaee1d3c2a3f	xcb-util-wm-0.4.1.tar.bz2
+# License file, locally calculated
+sha256	12ab3559977a4b22ae3030b90c64a386e6ec51ab0e4eab1ff530f81a2639400a	COPYING

bsp/buildroot/package/x11r7/xcb-util-wm/xcb-util-wm.mk

@@ -9,6 +9,7 @@ XCB_UTIL_WM_SITE = http://xcb.freedesktop.org/dist
 XCB_UTIL_WM_SOURCE = xcb-util-wm-$(XCB_UTIL_WM_VERSION).tar.bz2
 XCB_UTIL_WM_INSTALL_STAGING = YES
 XCB_UTIL_WM_LICENSE = MIT
+XCB_UTIL_WM_LICENSE_FILES = COPYING
 XCB_UTIL_WM_DEPENDENCIES = libxcb
 
 $(eval $(autotools-package))