package/libite: bump to version 2.5.1

This bump is mainly to fix the header file nameclash problem with LiTE,
in package/lite.  See the libite project's README for how to adapt to
this change, and the ChangeLog for details.  In short, libite now use
the /usr/include/libite/*.h prefix.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>