[M] Change in coreboot[main]: device_tree: Add function to get top of memory from a FDT blob

[Julius Werner (Code Review)]

Attention is currently required from: Alper Nebi Yasak, Jakub Czapiga, Maximilian Brune, Nico Huber.

Julius Werner has posted comments on this change by Alper Nebi Yasak. ( https://review.coreboot.org/c/coreboot/+/80322?usp=email )

Change subject: device_tree: Add function to get top of memory from a FDT blob
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Patch Set 4:

(2 comments)

File src/lib/device_tree.c:

https://review.coreboot.org/c/coreboot/+/80322/comment/aa8e3478_93d13c9e?usp... :
PS3, Line 181: 	if (be32_to_cpu(header->magic) != FDT_HEADER_MAGIC)
> Sorry for being very late with all this, I've been going through execution dysfunction hell for a lo […]

At the end of the day some of these things will always remain a matter of taste, but now that CB:81081 has landed I hope we can stick to those APIs?

File src/lib/device_tree.c:

https://review.coreboot.org/c/coreboot/+/80322/comment/fe88c0f8_61647400?usp... :
PS4, Line 541: 
addrcp/sizecp should be reset to 2/1 here. (Maybe it would be cleaner to just call `fdt_find_node_by_path("/")`?)