src/soc/intel/common/smbios: Add addtional infos to dimm_info

Add ECC Support and VDD Voltage to dimm_info struct. Now Bus Width
and ECCSupport will be propagated correctly in SMBIOS Type 17 Entry.

Change-Id: Ic6f0d4b223f1490ec7aa71a6105603635b514021
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33031
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/memory_info.h

@@ -86,6 +86,10 @@ struct dimm_info {
 	 * See the smbios.h smbios_memory_bus_width enum.
 	 */
 	uint8_t bus_width;
+	/*
+	 * Voltage Level
+	 */
+	uint16_t vdd_voltage;
 } __packed;
 
 struct memory_info {