[S] Change in flashrom[master]: programmer_init: Work on a mutable copy of programmer params

[Nico Huber (Code Review)]

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

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/67094 )

Change subject: programmer_init: Work on a mutable copy of programmer params
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Patch Set 4:

(2 comments)

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/67094/comment/3021820f_0e8e6d1a 
PS2, Line 172: 	free(programmer_param);
> We didn't do so before. If somebody tries to use it later we're in trouble […]

Decided to squash it.

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/67094/comment/f5f25229_e8bf483a 
PS3, Line 157: -1
> probably `ERROR_FATAL` to be consistent with return codes with the rest of the function.

Done