test/make: Drop implicit make variables

Let's drop usage of COMPILE.c, OUTPUT_OPTION.
It will allow run submake with -R.

Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>