ddr3: Plumber DIMM type to parsed structure.

Useful for distinguishing registered modules.

Change-Id: Ibf4a0f2cde6d50a1c5c1da0f50e3022a2bc7ccd7
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7686
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)

src/device/dram/ddr3.c

@@ -126,6 +126,7 @@ int spd_decode_ddr3(dimm_attr * dimm, spd_raw_data spd)
 		return SPD_STATUS_INVALID;
 	}
 	dimm->dram_type = SPD_MEMORY_TYPE_SDRAM_DDR3;
+	dimm->dimm_type = spd[3] & 0xf;
 
 	crc = spd_ddr3_calc_crc(spd, sizeof(*spd));
 	/* Compare with the CRC in the SPD */