buildroot

libevdev: bump version to 1.5.1

For details see [1] and [2].

[1] https://lists.freedesktop.org/archives/input-tools/2016-May/001296.html
[2] https://lists.freedesktop.org/archives/input-tools/2016-May/001301.html

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>