drivers/intel/fsp2_0: Add SMBIOS memory HOB support

Add SMBIOS memory GUID and functions to retrieve HOB.

BUG=chrome-os-partner:55505
TEST='dmidecode -t 17' and 'mosys -k memory spd print all'
Change-Id: Ie7e2239bb691c748d9fd852c3dc8cdc05243b164
Signed-off-by: Ravi Sarawadi <ravishankar.sarawadi@intel.com>
Reviewed-on: https://review.coreboot.org/16245
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>

src/drivers/intel/fsp2_0/hand_off_block.c

@@ -45,8 +45,13 @@ const uint8_t fsp_reserved_memory_guid[16] = {
 };
 
 const uint8_t fsp_nv_storage_guid[16] = {
-       0x02, 0xcf, 0x1a, 0x72, 0x77, 0x4d, 0x2a, 0x4c,
-       0xb3, 0xdc, 0x27, 0x0b, 0x7b, 0xa9, 0xe4, 0xb0
+	0x02, 0xcf, 0x1a, 0x72, 0x77, 0x4d, 0x2a, 0x4c,
+	0xb3, 0xdc, 0x27, 0x0b, 0x7b, 0xa9, 0xe4, 0xb0
+};
+
+const uint8_t smbios_memory_info_guid[16] = {
+	0x8c, 0x10, 0xa1, 0x01, 0xee, 0x9d, 0x84, 0x49,
+	0x88, 0xc3, 0xee, 0xe8, 0xc4, 0x9e, 0xfb, 0x89
 };
 
 /*
@@ -218,3 +223,8 @@ const void *fsp_find_nv_storage_data(size_t *size)
 {
 	return fsp_find_extension_hob_by_guid(fsp_nv_storage_guid, size);
 }
+
+const void *fsp_find_smbios_memory_info(size_t *size)
+{
+	return fsp_find_extension_hob_by_guid(smbios_memory_info_guid, size);
+}

src/drivers/intel/fsp2_0/include/fsp/util.h

@@ -61,6 +61,7 @@ const void *fsp_get_hob_list(void);
 void *fsp_get_hob_list_ptr(void);
 const void *fsp_find_extension_hob_by_guid(const uint8_t *guid, size_t *size);
 const void *fsp_find_nv_storage_data(size_t *size);
+const void *fsp_find_smbios_memory_info(size_t *size);
 enum cb_err fsp_fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
 int fsp_find_range_hob(struct range_entry *re, const uint8_t guid[16]);
 int fsp_find_reserved_memory(struct range_entry *re);