libevdev: bump version to 1.3.1

See [1] and [2] for details.

[1] http://lists.freedesktop.org/archives/input-tools/2014-September/001112.html
[2] http://lists.freedesktop.org/archives/input-tools/2014-November/001123.html

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Tested-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libevdev/libevdev.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBEVDEV_VERSION = 1.2.2
+LIBEVDEV_VERSION = 1.3.1
 LIBEVDEV_SITE = http://www.freedesktop.org/software/libevdev/
 LIBEVDEV_SOURCE = libevdev-$(LIBEVDEV_VERSION).tar.xz
 LIBEVDEV_LICENSE = X11