buildroot

lcdproc: bump to version 0.5.9

This commit bumps lcdproc to version 0.5.9, and switches to the new
upstream on github.

The new version also compiles with musl without any patches.

Signed-off-by: Sven Haardiek <sven.haardiek@greenbone.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>