[L] Change in coreboot[master]: util/amdfwtool: Deal with psp position in flash offset directly

[Bao Zheng (Code Review)]

Attention is currently required from: Arthur Heymans, Felix Held, Fred Reitberger, Jason Glenesk, Jason Nien, Martin Roth, Matt DeVillier, Raul Rangel, Zheng Bao.

Bao Zheng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72939?usp=email )

Change subject: util/amdfwtool: Deal with psp position in flash offset directly
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Patch Set 23:

(2 comments)

File src/soc/amd/common/block/psp/Kconfig:

https://review.coreboot.org/c/coreboot/+/72939/comment/5737d01f_8202bbe8 :
PS20, Line 82: 	default AMD_FWM_POSITION_20000 if !AMD_FWM_POSITION_420000_DEFAULT && \
             : 					!AMD_FWM_POSITION_820000_DEFAULT && \
             : 					!AMD_FWM_POSITION_C20000_DEFAULT && \
             : 					!AMD_FWM_POSITION_E20000_DEFAULT && \
             : 					!AMD_FWM_POSITION_F20000_DEFAULT && \
             : 					!AMD_FWM_POSITION_FA0000_DEFAULT
             : 	default AMD_FWM_POSITION_420000 if AMD_FWM_POSITION_420000_DEFAULT
             : 	default AMD_FWM_POSITION_820000 if AMD_FWM_POSITION_820000_DEFAULT
             : 	default AMD_FWM_POSITION_C20000 if AMD_FWM_POSITION_C20000_DEFAULT
             : 	default AMD_FWM_POSITION_E20000 if AMD_FWM_POSITION_E20000_DEFAULT
             : 	default AMD_FWM_POSITION_F20000 if AMD_FWM_POSITION_F20000_DEFAULT
             : 	default AMD_FWM_POSITION_FA0000 if AMD_FWM_POSITION_FA0000_DEFAULT
             :
> I think this can be simplified by flipping the order and just leaving the last entry as `default AMD […]

Done

File src/soc/amd/stoneyridge/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/72939/comment/8451e37c_268257e7 :
PS21, Line 150: STONEYRIDGE_FWM_POSITION)
> Gardenia can not pass the identical test.

Done.
With https://review.coreboot.org/c/coreboot/+/76764, images smaller that 16M can pass the identical test.