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

[Nico Huber (Code Review)]

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

Nico Huber 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: Code-Review+1

(2 comments)

Patchset:

PS1: 
Not sure if anybody checked that there is no NULL pointer introduced
on any call path that leads to extract_programmer_param_str().

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/67649/comment/8c02dca8_e9e8a9ea 
PS1, Line 297: &
That this is a pointer inside a const struct and works made me realize
how odd the extract_param() signature is. We pass a pointer to a char
pointer that gets never changed, so we could as well pass the char pointer
directly.