[M] Change in flashrom[master]: libflashrom.c: Invert if conditions to improve the readability

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Felix Singer.

Edward O'Callaghan has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/68153 )

Change subject: libflashrom.c: Invert if conditions to improve the readability
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Patch Set 3: Code-Review+2

(2 comments)

File libflashrom.c:

https://review.coreboot.org/c/flashrom/+/68153/comment/595b979b_644066f9 
PS3, Line 103: (;
optional: while we are here could we just scope the indexer into the loop construct.

`for (unsigned int i = 0; ..`

https://review.coreboot.org/c/flashrom/+/68153/comment/a4fba167_a89c6c3f 
PS3, Line 107: (enum flashrom_test_state)
is this cast needed?