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This adds the physical memory region to the kernel memory manager in a second
(emulated) numa node.

More support for funky memory things.

This should probably never make it's way into main. It's a horrible mess in
terms of the class hierarchy.

Oops, address was in hex but interpreted as decimal.

Includes a new simulator type, and integration for host simulators to add
memory devices. Currently only implemented for gem5.

For now the devmem command comes in handy, but probably generally good to have.

I basically did the following:
`mkdir experiments/simbricks/orchestration`
`mv experiments/simbricks/* experiments/simbricks/orchestration/`

Additionally, imports and paths had to be adjusted.

otherwise we don't receive CTRL+C in orchestration framework