Change in coreboot[master]: mdfwtool: Set soc name for Stoneyridge

[Bao Zheng (Code Review)]

Attention is currently required from: Martin Roth, Marshall Dawson, Richard Spiegel, Zheng Bao, Matt Papageorge, Felix Held.
Bao Zheng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58555 )

Change subject: mdfwtool: Set soc name for Stoneyridge
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Patch Set 4:

(1 comment)

File util/amdfwtool/amdfwtool.c:

https://review.coreboot.org/c/coreboot/+/58555/comment/3e54a1e7_a1ee6166 
PS3, Line 1588: 			retval = set_efs_table(soc_id, amd_romsig, efs_spi_readmode,
> I have checked, allegedly stoney supports EFS. But I do not have a device to test this on. […]

Done. 
This change keeps unchanged. Add a new change to discuss.
https://review.coreboot.org/c/coreboot/+/58871