smbios: add funtion for smbios type17

Add smbios type 17 which can optionally be implemented
at the platform or mainboard level
In order to create SMBIOS type17, you will need to fill
memory_info data

BUG=None
BRANCH=None
TEST=Compile successfully on rambi and samus
     Boot to chromeOS on samus and rambi

Original-Change-Id: Ie4da89135c879d7a687305d423103fcfcbb96e3f
Original-Signed-off-by: Kane Chen <kane.chen@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/210005
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
(cherry picked from commit 634b899ba41242caa800d7b570f3a339c738db77)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I61d1e8b1d32d43f0011b0f93966d57646ea0eb63
Reviewed-on: http://review.coreboot.org/8955
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/include/spd.h b/src/include/spd.h
index 2b07fb1..ef0cf5a 100644
--- a/src/include/spd.h
+++ b/src/include/spd.h
@@ -237,4 +237,12 @@
 #define RC62 62
 #define RC63 63
 
+#define SPD_UNDEFINED 0
+#define SPD_RDIMM 1
+#define SPD_UDIMM 2
+#define SPD_SODIMM 3
+#define SPD_MICRO_DIMM 4
+#define SPD_MINI_RDIMM 5
+#define SPD_MINI_UDIMM 6
+
 #endif