Change in coreboot[master]: [UNTESTED] soc/amd/common/block/lpc/lpc: rework resource index handling

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Fred Reitberger, Felix Held.
Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62579 )

Change subject: [UNTESTED] soc/amd/common/block/lpc/lpc: rework resource index handling
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Patch Set 1:

(4 comments)

File src/soc/amd/common/block/lpc/lpc.c:

https://review.coreboot.org/c/coreboot/+/62579/comment/ad833f27_45528ec6 
PS1, Line 96: IOINDEX_SUBTRACTIVE
lol.... what!

https://review.coreboot.org/c/coreboot/+/62579/comment/968f96af_c15c1944 
PS1, Line 102: IORESOURCE_SUBTRACTIVE
I don't understand why this is subtractive?

https://review.coreboot.org/c/coreboot/+/62579/comment/51b2e091_15d40b57 
PS1, Line 114: IORESOURCE_SUBTRACTIVE
Same with this?

https://review.coreboot.org/c/coreboot/+/62579/comment/2f6432de_bcd021c0 
PS1, Line 130: STAY
Who disables them?