drivers/edac: add RDDR2 memory types

Add Registered RDDR2 memory types for displaying DDR2 memories
Signed-off-by: NDouglas Thompson <dougthompson@xmission.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/edac/edac_mc.h

@@ -126,6 +126,7 @@ enum mem_type {
 	MEM_RMBS,		/* Rambus DRAM */
 	MEM_DDR2,               /* DDR2 RAM */
 	MEM_FB_DDR2,            /* fully buffered DDR2 */
+	MEM_RDDR2,              /* Registered DDR2 RAM */
 };
 
 #define MEM_FLAG_EMPTY		BIT(MEM_EMPTY)
@@ -141,6 +142,7 @@ enum mem_type {
 #define MEM_FLAG_RMBS		BIT(MEM_RMBS)
 #define MEM_FLAG_DDR2           BIT(MEM_DDR2)
 #define MEM_FLAG_FB_DDR2        BIT(MEM_FB_DDR2)
+#define MEM_FLAG_RDDR2          BIT(MEM_RDDR2)
 
 /* chipset Error Detection and Correction capabilities and mode */
 enum edac_type {