ipr: Remove SATA support

Linux SATA support in ipr has always been limited to SATA DVDs. The last
systems that had the option of including a SATA DVD was Power 8,
which have been withdrawn for sometime now, so this support can
be removed.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>

drivers/scsi/Kconfig

@@ -971,8 +971,7 @@ config SCSI_SYM53C8XX_MMIO
 
 config SCSI_IPR
 	tristate "IBM Power Linux RAID adapter support"
-	depends on PCI && SCSI && ATA
-	select SATA_HOST
+	depends on PCI && SCSI
 	select FW_LOADER
 	select IRQ_POLL
 	select SGL_ALLOC