Change in flashrom[master]: libflashrom: Return progress state to the library user

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Richard Hughes, Angel Pons, Anastasia Klimchuk, Patrick Rudolph.
Edward O'Callaghan has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/49643 )

Change subject: libflashrom: Return progress state to the library user
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Patch Set 4:

(1 comment)

File libflashrom.c:

https://review.coreboot.org/c/flashrom/+/49643/comment/ae954e24_dea0062a 
PS4, Line 113: private
> This function doesn't look to be private, it is called outside of this file.

private from the libflashrom API, as in "internal" to the flashrom implementation. Not to mean static local. private is a bit of a overloaded term [sic. java/c++].