Add ioctls to enable/disable/preempt a TSG
1. NVGPU_IOCTL_TSG_ENABLE
enable all the channels in a TSG
2. NVGPU_IOCTL_TSG_DISABLE
disable all the channels in a TSG
3. NVGPU_IOCTL_TSG_PREEMPT
preempt a TSG with given id
Bug 1514064
Change-Id: I2db6404b8536e872243cbe57b99e7c6d14243fa5
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/494671
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>