ps3: BD/DVD/CD-ROM Storage Driver

Add a BD/DVD/CD-ROM Storage Driver for the PS3:
  - Implemented as a SCSI device driver
  - Uses software scatter-gather with a 64 KiB bounce buffer as the hypervisor
    doesn't support scatter-gather

Cc: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 0f86895..86a7ba7 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -132,6 +132,7 @@
 obj-$(CONFIG_SCSI_IBMVSCSIS)	+= ibmvscsi/
 obj-$(CONFIG_SCSI_HPTIOP)	+= hptiop.o
 obj-$(CONFIG_SCSI_STEX)		+= stex.o
+obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 
 obj-$(CONFIG_ARM)		+= arm/