memory_info: Bump to 64 DIMMs

Intel SPR supports up to 64 DIMMs on a 4 socket board.
Bump DIMM_INFO struct to 64 slots to properly present all
of them to the OS.

Change-Id: I52d77c4e9bff96adba6d265a272e0e425dbdb791
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73367
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>

src/include/memory_info.h

@@ -8,7 +8,7 @@
 
 #define DIMM_INFO_SERIAL_SIZE		4
 #define DIMM_INFO_PART_NUMBER_SIZE	33
-#define DIMM_INFO_TOTAL			32
+#define DIMM_INFO_TOTAL			64
 
 /**
  * If this table is filled and put in CBMEM,