[S] Change in flashrom[master]: spi25_statusreg: support reading/writing configuration register

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Nico Huber, Angel Pons, Sergii Dmytruk.

Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/66211 )

Change subject: spi25_statusreg: support reading/writing configuration register
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Patch Set 8:

(2 comments)

Patchset:

PS2:
> Rebased everything due to `flashchips. […]

After reading all the comments, and also given the +2, and given the CB:69399 at the end of a chain: it does seem to me that all comment threads can be marked resolved?
If I am wrong please tell me.

File include/flash.h:

https://review.coreboot.org/c/flashrom/+/66211/comment/afef960e_f35ffa38 
PS5, Line 189: /* For chips that call SR2 "Configuration Register 1" */
             : #define CONFIG1 STATUS2
             : /* For chips that call SR3 "Configuration Register 2" */
             : #define CONFIG2 STATUS3
> Is it instead a good idea to add these as new values to the `flash_reg` enum and separately switch o […]

Done