Add the emulated power driver for the Goldfish platform.

This folds together the code from the Google tree, Jun Nakajima's cleanups
and x86 porting work, and then a tidy up to pass checkpatch.
Signed-off-by: Mike A. Chan <mikechan@google.com>
[cleanup and x86 support]
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: Xiaohui Xin <xiaohui.xin@intel.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
[ported to 3.4]
Signed-off-by: Tom Keel <thomas.keel@intel.com>
[ported to 3.7 and final tidy]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>