[XS] Change in coreboot[master]: mb/qemu-aarch64: Move probing dram to read_resources

[Arthur Heymans (Code Review)]

Attention is currently required from: David Milosevic, Maximilian Brune, Nico Huber.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/76004?usp=email )

Change subject: mb/qemu-aarch64: Move probing dram to read_resources
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Patch Set 2:

(1 comment)

File src/mainboard/emulation/qemu-aarch64/mainboard.c:

https://review.coreboot.org/c/coreboot/+/76004/comment/cb7f4c44_ea04ef62 :
PS1, Line 47: 	ram_resource_kb(dev, index++, (uintptr_t)_dram / KiB, ram_size_mb * KiB);
> Could update this to not do the KiB dance, while we are at it.

Done. Added a bonus of not probing DRAM twice on top :-D.
Memory layout reported at the end of boot is the same.