[S] Change in flashrom[master]: flashrom.c: Drop `programmer_param` global variable

[Angel Pons (Code Review)]

Attention is currently required from: Felix Singer, Nico Huber, Thomas Heijligen, Edward O'Callaghan, Anastasia Klimchuk, Peter Marheine.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/67649 )

Change subject: flashrom.c: Drop `programmer_param` global variable
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Patch Set 1:

(2 comments)

Patchset:

PS1:
> Not sure if anybody checked that there is no NULL pointer introduced […]

When I checked, `extract_programmer_param_str()` was always called with a `cfg` argument. I did not check if it's null nor where it comes from.

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/67649/comment/5dce80ad_82ee2974 
PS1, Line 297: &
> That this is a pointer inside a const struct and works made me realize […]

Sounds like a good idea