[PATCH] tg3: update version and minor fixes

Update version and reldate and add more sanity checking to
tg3_set_settings().

Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>