Change in flashrom[master]: ichspi: Define `Write Enable Type (WET)` register under HSFC

[Nico Huber (Code Review)]

Attention is currently required from: Subrata Banik, Angel Pons.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/62888 )

Change subject: ichspi: Define `Write Enable Type (WET)` register under HSFC
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Patch Set 6:

(1 comment)

File ichspi.c:

https://review.coreboot.org/c/flashrom/+/62888/comment/f266fc66_2db18e51 
PS6, Line 91: /* New HSFC Control bit */
> > > > If you have doubts that the bit was introduced with PCH100, you can always
> > > > test the hardware.
> > >
> > > Do we have any action item here regarding the open comment or we are good here ?
> >
> > If you think the code should be changed because the bit existed earlier,
> > you should confirm that by testing the bit on respective hardware. If it
> > didn't exist earlier, there is nothing to change, I suppose.
>
> If we have this bit defined for PCH100 onwards then should renamed it with `PCH100_` prefix, else we can drop these macros as remain unused.

Yes, renaming makes sense. It probably wasn't renamed for compatibility
with the pprint_reg() macro. We should really try to fix that macro.