[coreboot] [PATCH] remove namestring trickery

[Rudolf Marek]

Hello,

The  namestring handling in ACPIgen was a big trickery. We were pasing the 
strings as it was a bytestream already. This was a reason for instead of
_PR one had to write _PR_

Or \_SB.PCI0 was in fact \_SB_PCI0.

This patch adds a proper namestring generation to our ACPIgen generator.
Its used for Name and Scope and Processor now. As bonus, it allows to create a 
multi name paths too. Like Scope(\ALL.YOUR.BASE).

Signed-off-by: Rudolf Marek <r.marek at assembler.cz>

I have no board now, so I cannot test it on real HW. I did some tests which a 
ACPIgen testbench which I'm attaching for future reference.

I dont know what happen to fam10 code, but I think it will need similar change.

Rudolf

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