qemu: move ram ressource reservation from "set" to "read" stage

So the pci allocation code knows where memory is and doesn't
try map pci devices there.  We also don't have to check for
overlaps between pci hole and memory then.

Change-Id: I5eaea0e4d21210719685860fa1f16ca7b2137cde
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-on: http://review.coreboot.org/3491
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed