Bump buidlroot version to 2018.02.6

bsp/buildroot/package/weston/Config.in

@@ -5,6 +5,11 @@ comment "weston needs udev and a toolchain w/ locale, threads, dynamic library,
 
 config BR2_PACKAGE_WESTON
 	bool "weston"
+	depends on BR2_ENABLE_LOCALE # libinput
+	depends on BR2_PACKAGE_HAS_UDEV
+	depends on !BR2_STATIC_LIBS # wayland
+	depends on BR2_TOOLCHAIN_HAS_THREADS # wayland
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
 	select BR2_PACKAGE_WAYLAND
 	select BR2_PACKAGE_WAYLAND_PROTOCOLS
 	select BR2_PACKAGE_LIBXKBCOMMON
@@ -12,13 +17,8 @@ config BR2_PACKAGE_WESTON
 	select BR2_PACKAGE_CAIRO_PNG
 	select BR2_PACKAGE_LIBPNG
 	select BR2_PACKAGE_JPEG
-	select BR2_PACKAGE_MTDEV
 	select BR2_PACKAGE_LIBINPUT
-	depends on BR2_ENABLE_LOCALE # libinput
-	depends on BR2_PACKAGE_HAS_UDEV
-	depends on !BR2_STATIC_LIBS # wayland
-	depends on BR2_TOOLCHAIN_HAS_THREADS # wayland
-	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
+	select BR2_PACKAGE_LIBDRM
 	# Runtime dependency
 	select BR2_PACKAGE_XKEYBOARD_CONFIG
 	# Make sure at least one compositor is selected.
@@ -40,7 +40,6 @@ config BR2_PACKAGE_WESTON_HAS_COMPOSITOR
 config BR2_PACKAGE_WESTON_DRM
 	bool "DRM compositor"
 	depends on BR2_PACKAGE_MESA3D_OPENGL_EGL
-	select BR2_PACKAGE_LIBDRM
 	select BR2_PACKAGE_WESTON_HAS_COMPOSITOR
 
 # Uses libgbm from mesa3d
@@ -68,9 +67,9 @@ config BR2_PACKAGE_WESTON_RDP
 	    --rdp-tls-cert=/path/to/server.crt
 	    --rdp-tls-key=/path/to/server.key
 
-	  By default, Buildroot installs such files in /etc/freerdp/server/
-	  so you may want to change them in a post-build script or a rootfs
-	  overlay.
+	  By default, Buildroot installs such files in
+	  /etc/freerdp/server/ so you may want to change them in a
+	  post-build script or a rootfs overlay.
 
 comment "RDP compositor needs a toolchain w/ wchar, C++"
 	depends on BR2_USE_MMU