mb/google/deltaur: Add memory topology SODIMM and MEMORYDOWN

Update memory topology for spd info. Deltan supports SODIMM and
Deltaur supports MEMORYDOWN.

BUG=b:151702387

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: If314894325d6f222807030a36f8c4cefecfe5bd3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40486
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/mainboard/google/deltaur/variants/deltan/memory.c

@@ -47,6 +47,7 @@ static const struct mb_ddr4_cfg baseboard_memcfg = {
 void variant_memory_init(FSP_M_CONFIG *mem_cfg)
 {
 	const struct spd_info spd_info = {
+		.topology = SODIMM,
 		.smbus_info[0] = {.addr_dimm0 = 0xa0,
 				  .addr_dimm1 = 0 },
 		.smbus_info[1] = {.addr_dimm0 = 0xa4,

src/mainboard/google/deltaur/variants/deltaur/memory.c

@@ -83,6 +83,7 @@ void variant_memory_init(FSP_M_CONFIG *mem_cfg)
 {
 	const struct lpddr4x_cfg *board_cfg = variant_memory_params();
 	const struct spd_info spd_info = {
+		.topology = MEMORY_DOWN,
 		.md_spd_loc = SPD_CBFS,
 		.cbfs_index = variant_memory_sku(),
 	};