[SCSI] megaraid_sas: add hibernation support

Adding hibernation support. suspend, resume routine implemented.
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/megaraid/megaraid_sas.h

@@ -117,6 +117,7 @@
 #define MR_FLUSH_DISK_CACHE			0x02
 
 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
+#define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
 
 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100