liblo: new pachage

liblo is an implementation of the Open Sound Control protocol
for POSIX systems.

http://liblo.sourceforge.net/



[thomas.petazzoni@free-electrons.com: add dependency on thread support
in toolchain]

Signed-off-by: Stephan Hoffmann <sho@relinux.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>