Based on code by Jun Nakajima but stripped of all the old x86 mach-foo
stuff and turned into a single file for the Goldfish virtual bus layer.

The actual created platform device and bus enumeration is portable between the
ARM and x86 Goldfish emulations.
Signed-off-by: NSheng Yang <sheng@linux.intel.com>
Link: http://lkml.kernel.org/r/20130121172205.19517.22535.stgit@bob.linux.org.ukSigned-off-by: NYunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: NXiaohui Xin <xiaohui.xin@intel.com>
Signed-off-by: NJun Nakajima <jun.nakajima@intel.com>
Signed-off-by: NBruce Beare <bruce.j.beare@intel.com>
[Ported to 3.7 and reorganised so that we can keep most of the code
 shared properly]
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>