[XL] Change in coreboot[main]: lib/device_tree: Add some FDT helper functions

[Maximilian Brune (Code Review)]

Attention is currently required from: Jakub Czapiga, Julius Werner, Martin L Roth.

Maximilian Brune has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81081?usp=email )

Change subject: lib/device_tree: Add some FDT helper functions
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Patch Set 7:

(3 comments)

Patchset:

PS6:
> I tested it on my machine and it fails too. […]

Weird that I never hit this issue. Thanks for testing and review.

File src/lib/device_tree.c:

https://review.coreboot.org/c/coreboot/+/81081/comment/7cc51a2b_6904c17e :
PS6, Line 67: size = fdt_next_node_name(blob, offset, &name);
> `int size = ...`. Let's not multiply code without need.

Done

https://review.coreboot.org/c/coreboot/+/81081/comment/07b716bd_04f718ec :
PS6, Line 272: node_offset = results[(*count_results)++] = off; // save occurrence
> `count_results` is left uninitialized. More info in another comment.

Done