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

[Shuo Liu (Code Review)]

Attention is currently required from: Maximilian Brune.

Shuo Liu has posted comments on this change by Maximilian Brune. ( 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 28:

(1 comment)

File util/lint/lint-000-license-headers:

https://review.coreboot.org/c/coreboot/+/81081/comment/7690a803_9bee1d9a?usp... :
PS28, Line 32: ^tests/data/|\
It is likely that this change will cause make lint-stable fails with below warnings in some dev machine. Could you please have a fix?

Check for superfluous whitespace in the tree (lint-stable-003-whitespace): File Binary file tests/data/lib/devicetree-test/tegra30-ouya.dtb matches has lines ending with whitespace.
test failed