[M] Change in flashrom[master]: tree: Change signature of extract_programmer_param_str()

[Angel Pons (Code Review)]

Attention is currently required from: Edward O'Callaghan.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/66654 )

Change subject: tree: Change signature of extract_programmer_param_str()
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Patch Set 6:

(1 comment)

File atavia.c:

https://review.coreboot.org/c/flashrom/+/66654/comment/6530899e_7c92b514 
PS6, Line 148: NULL
For any future patches... If this should eventually not be a NULL pointer, at the very least please define a temporary macro to keep track of all instances of this. After all the necessary changes are done, the temporary macro should no longer be used anywhere and can be dropped.

```
/* Temporary macro to keep track of things, will eventually be dropped. */
#define NULL_PROGRAMMER_CFG_FIXME NULL
```

Then, this line would look like this until it's fixed:

```
char *arg = extract_programmer_param_str(NULL_PROGRAMMER_CFG_FIXME, "offset");
```