Since ch_wdt_timeout_ms was moved to struct gk20a, vgpu needs to init
it with default platform value.
Jira VFND-3796
Change-Id: I61aca06989ae6b9ad5b3a264ce21d885ca769349
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1478670
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>