sunxi-mali: fix linking of malitest
Fixes:
http://autobuild.buildroot.net/results/a15/a152beb56cdc4591868e14cce9a60e51cbfb0abc/
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>