[SCSI] libsas: make ATA functions selectable by a config option
James Bottomley authored
Not everyone wants libsas automatically to pull in libata.  This patch
makes the behaviour configurable, so you can build libsas with or
without ATA support.
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
b9142174