Bump buildroot to 2019.02

bsp/buildroot/package/libva/Config.in

@@ -13,7 +13,7 @@ config BR2_PACKAGE_LIBVA
 	  prevailing coding standards today (MPEG-2, MPEG-4 ASP/H.263,
 	  MPEG-4 AVC/H.264, and VC-1/VMW3).
 
-	  https://01.org/linuxmedia/vaapi
+	  https://01.org/vaapi
 
 comment "libva needs a toolchain w/ threads, dynamic library"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS

bsp/buildroot/package/libva/libva.hash

@@ -1,5 +1,5 @@
-# From https://github.com/01org/libva/releases
-sha1 762a49f8925ca1d0531c5071afbd629ffea93b90  libva-2.0.0.tar.bz2
+# From https://github.com/intel/libva/releases/download/2.4.0/libva-2.4.0.tar.bz2.sha1sum
+sha1 2e7b69ebb615d039b9253d4708eeec889b812dbf  libva-2.4.0.tar.bz2
 # Locally computed
-sha256 bb0601f9a209e60d8d0b867067323661a7816ff429021441b775452b8589e533  libva-2.0.0.tar.bz2
+sha256 99263056c21593a26f2ece812aee6fe60142b49e6cd46cb33c8dddf18fc19391  libva-2.4.0.tar.bz2
 sha256 c86a782ee845b52472dae9b9d79fb915d333628ac0efe49cdce63644814931de  COPYING

bsp/buildroot/package/libva/libva.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-LIBVA_VERSION = 2.0.0
+LIBVA_VERSION = 2.4.0
 LIBVA_SOURCE = libva-$(LIBVA_VERSION).tar.bz2
-LIBVA_SITE = https://github.com/01org/libva/releases/download/$(LIBVA_VERSION)
+LIBVA_SITE = https://github.com/intel/libva/releases/download/$(LIBVA_VERSION)
 LIBVA_LICENSE = MIT
 LIBVA_LICENSE_FILES = COPYING
 LIBVA_INSTALL_STAGING = YES
@@ -30,6 +30,7 @@ endif
 
 ifeq ($(BR2_PACKAGE_WAYLAND),y)
 LIBVA_DEPENDENCIES += wayland
+LIBVA_CONF_ENV += ac_cv_path_WAYLAND_SCANNER=$(HOST_DIR)/usr/bin/wayland-scanner
 LIBVA_CONF_OPTS += --enable-wayland
 else
 LIBVA_CONF_OPTS += --disable-wayland