[S] Change in coreboot[main]: ext_stage_cache: Make sure variables are initialized

[Arthur Heymans (Code Review)]

Attention is currently required from: Angel Pons, Jérémy Compostella, Nico Huber.

Arthur Heymans has posted comments on this change by Arthur Heymans. ( https://review.coreboot.org/c/coreboot/+/84040?usp=email )

Change subject: ext_stage_cache: Make sure variables are initialized
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Patch Set 7:

(1 comment)

File src/lib/ext_stage_cache.c:

https://review.coreboot.org/c/coreboot/+/84040/comment/70551cdb_6219e5bf?usp... :
PS7, Line 18: stage_cache_external_region(&base, &size);
            : 	if (base == NULL || size == 0)
            : 		return;
> > Would it make sense to return status from `stage_cache_external_region()`? […]

Acknowledged