package/libjxl: disable benchmark and tests
Disable benchmark and tests which are enabled by default since the
addition of the package in commit
e648d399d8bd609697e78f13f7fa76be06d91a57
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>