drivers/edac: i5000 define typo

Found a typo in one of the #defines in the driver

MTR_DIM_RANKS --> MTR_DIMM_RANK
Signed-off-by: Marisuz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/edac/i5000_edac.c

@@ -279,7 +279,7 @@
 #define MTR_DRAM_BANKS(mtr)		((((mtr) >> 5) & 0x1) ? 8 : 4)
 #define MTR_DRAM_BANKS_ADDR_BITS(mtr)	((MTR_DRAM_BANKS(mtr) == 8) ? 3 : 2)
 #define MTR_DIMM_RANK(mtr)		(((mtr) >> 4) & 0x1)
-#define MTR_DIMM_RANK_ADDR_BITS(mtr)	(MTR_DIM_RANKS(mtr) ? 2 : 1)
+#define MTR_DIMM_RANK_ADDR_BITS(mtr)	(MTR_DIMM_RANK(mtr) ? 2 : 1)
 #define MTR_DIMM_ROWS(mtr)		(((mtr) >> 2) & 0x3)
 #define MTR_DIMM_ROWS_ADDR_BITS(mtr)	(MTR_DIMM_ROWS(mtr) + 13)
 #define MTR_DIMM_COLS(mtr)		((mtr) & 0x3)