package/libdrm: bump version to 2.4.59, add hash

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libdrm/libdrm.hash

@@ -0,0 +1,2 @@
+# From http://lists.freedesktop.org/archives/dri-devel/2015-January/075921.html
+sha256	68d26e1fd85582f4243d66864f9b43ca4ee93662825de32b5506fc8e181ea41b	libdrm-2.4.59.tar.bz2

package/libdrm/libdrm.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBDRM_VERSION = 2.4.58
+LIBDRM_VERSION = 2.4.59
 LIBDRM_SOURCE = libdrm-$(LIBDRM_VERSION).tar.bz2
 LIBDRM_SITE = http://dri.freedesktop.org/libdrm
 LIBDRM_LICENSE = MIT