device/dram: Move SPD manufacturer names out of arch/x86

Move SPD manufacturer ID decoding to device/dram. Will be used by the
following patch outside of SMBIOS scope as well.

Change-Id: Iec175cd6ab1d20761da955785e4bc0e87ae02dbb
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50544
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/device/dram/Makefile.inc

@@ -1,3 +1,3 @@
 romstage-y += ddr4.c ddr3.c ddr2.c ddr_common.c
 
-ramstage-y += ddr4.c ddr3.c ddr2.c ddr_common.c
+ramstage-y += ddr4.c ddr3.c ddr2.c ddr_common.c spd.c

src/device/dram/spd.c

@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <device/dram/spd.h>
+
+const char *spd_manufacturer_name(const uint16_t mod_id)
+{
+	switch (mod_id) {
+	case 0x9b85:
+		return "Crucial";
+	case 0x4304:
+		return "Ramaxel";
+	case 0x4f01:
+		return "Transcend";
+	case 0x9801:
+		return "Kingston";
+	case 0x987f:
+		return "Hynix";
+	case 0x9e02:
+		return "Corsair";
+	case 0xb004:
+		return "OCZ";
+	case 0xad80:
+		return "Hynix/Hyundai";
+	case 0x3486:
+		return "Super Talent";
+	case 0xcd04:
+		return "GSkill";
+	case 0xce80:
+		return "Samsung";
+	case 0xfe02:
+		return "Elpida";
+	case 0x2c80:
+		return "Micron";
+	default:
+		return NULL;
+	}
+}