[SCSI] raid_class.c - adding RAID10 and RAID10 defines

Adding defines for RAID10 and RAID50 levels, in preparation
of adding RAID Transport support in the mpt fusion drivers.
(BTW: IME is RAID10, and IM is RAID1).

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

include/linux/raid_class.h

@@ -31,9 +31,11 @@ enum raid_level {
 	RAID_LEVEL_LINEAR,
 	RAID_LEVEL_0,
 	RAID_LEVEL_1,
+	RAID_LEVEL_10,
 	RAID_LEVEL_3,
 	RAID_LEVEL_4,
 	RAID_LEVEL_5,
+	RAID_LEVEL_50,
 	RAID_LEVEL_6,
 };