Change in flashrom[master]: nic3com.c: Refactor singleton states into reentrant pattern

[Nico Huber (Code Review)]

Attention is currently required from: Angel Pons, Anastasia Klimchuk.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/55106 )

Change subject: nic3com.c: Refactor singleton states into reentrant pattern
......................................................................

Patch Set 1:

(2 comments)

File nic3com.c:

https://review.coreboot.org/c/flashrom/+/55106/comment/d74a640c_32cfbd83 
PS1, Line 144: 		msg_perr("Unable to allocate space for PAR master data\n");
Shouldn't we do what nic3com_shutdown() does, here? (or call it
with a locally declared struct nic3com_data instead of the three
individual variables)

https://review.coreboot.org/c/flashrom/+/55106/comment/c65ac3f6_44464d8e 
PS1, Line 152: 		free(data);
Same here? (although this path was already wrong before)