Decouple the firmware selection of different gpu architecture. Change-Id: I62bf6b3bc51a8606c5973e475988cd5987a65a1a Signed-off-by: Kevin Huang <kevinh@nvidia.com> Reviewed-on: http://git-master/r/389793 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>