aic7xxx: add support for the SPI transport class

This is just a simplistic patch to export all of the
aic7xxx internal transport parameters via the SPI
transport class.  It doesn't actually alter the way the
driver works at all.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/aic7xxx/Kconfig.aic7xxx

@@ -5,6 +5,7 @@
 config SCSI_AIC7XXX
 	tristate "Adaptec AIC7xxx Fast -> U160 support (New Driver)"
 	depends on (PCI || EISA) && SCSI
+	select SCSI_SPI_ATTRS
 	---help---
 	This driver supports all of Adaptec's Fast through Ultra 160 PCI
 	based SCSI controllers as well as the aic7770 based EISA and VLB