fault_ch is needed by rm-server to send the notification to guest VM. rm-server is going to use gr sources from linux Jira VQRM-2982 Change-Id: Ifb6e8a9630a471d07b89ffaa7f2ceb309220fd21 Signed-off-by: Shashank Singh <shashsingh@nvidia.com> Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1661665 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>