libata: add more opcodes to ata.h
Add constants for DEVICE CONFIGURATION OVERLAY and SET_MAX to
include/linux/ata.h.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
authored by Tejun Heo and committed by Jeff Garzik ce2e0abb c2e366a1