drivers/net/mac8390.c: make functions static

This patch makes the following needlessly global functions static:
- mac8390_ident()
- mac8390_testio()
- mac8390_memsize()

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
1 file changed