[M] Change in flashrom[main]: libflashrom: Update the API for Logger Callback

[Dmitry Zhadinets (Code Review)]

Attention is currently required from: Anastasia Klimchuk, Peter Marheine.

Dmitry Zhadinets has posted comments on this change by Dmitry Zhadinets. ( https://review.coreboot.org/c/flashrom/+/86875?usp=email )

Change subject: libflashrom: Update the API for Logger Callback
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Patch Set 11:

(2 comments)

File libflashrom.c:

https://review.coreboot.org/c/flashrom/+/86875/comment/2f13ff77_993ec893?usp... :
PS11, Line 68: 	va_copy(args_attempt, args);
> This size is no longer useful; we can omit this first `vsprintf` completely because the buffer is no […]

Done

https://review.coreboot.org/c/flashrom/+/86875/comment/0cdc7448_b5449d91?usp... :
PS11, Line 80: ld
> Use `z` since this should be `size_t` (due to `sizeof`).

Done