Simulator support is intermixed with the rest of code in gk20a.c.
Move that code away from gk20a.c to an own file.
Change-Id: Idd3c8795cec5eadc6e49811b5b8ff0592c49a7d2
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1323230
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>