package/libdrm: bump version to 2.4.71

Cc: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libdrm/libdrm.hash

@@ -1,2 +1,2 @@
-# From https://lists.freedesktop.org/archives/dri-devel/2016-July/113899.html
-sha256	b17d4b39ed97ca0e4cffa0db06ff609e617bac94646ec38e8e0579d530540e7b	libdrm-2.4.70.tar.bz2
+# From https://lists.freedesktop.org/archives/dri-devel/2016-October/119998.html
+sha256	c66287ddeee5f46ea8f8880b94b80acb3bbc33ba6321d17767eef145046df9b8	libdrm-2.4.71.tar.bz2

package/libdrm/libdrm.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBDRM_VERSION = 2.4.70
+LIBDRM_VERSION = 2.4.71
 LIBDRM_SOURCE = libdrm-$(LIBDRM_VERSION).tar.bz2
 LIBDRM_SITE = http://dri.freedesktop.org/libdrm
 LIBDRM_LICENSE = MIT