Enable gradual slowdown for gp10b and also correct thermal slowdown factors with extended mode. Bug 1719974 Change-Id: I31a5d7df71c98135273a980c49b70bc76fac0b40 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/933279 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>