Change in flashrom[master]: flashrom: Convert do_read() into a libflashrom user

[Angel Pons (Code Review)]

Attention is currently required from: Edward O'Callaghan, Daniel Campello, Anastasia Klimchuk.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/59291 )

Change subject: flashrom: Convert do_read() into a libflashrom user
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Patch Set 4:

(2 comments)

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/59291/comment/23052912_e7213408 
PS4, Line 2173: msg_cinfo("FAILED.\n");
> This message is now left orphaned. […]

I'd drop this print.

https://review.coreboot.org/c/flashrom/+/59291/comment/42b3e4d1_9c4e1806 
PS4, Line 2189: msg_cinfo("%s.\n", ret ? "FAILED" : "done");
This would print `FAILED` twice if `flashrom_image_read()` took the branch that prints `FAILED`.