RM Server will implement callback for semaphore wakeup and broadcast event TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP. The patch adds handling of the event in vgpu code. Jira VQRM-3058 Change-Id: Ife38eff8252f5b4036e6df71f1c64c99cb58c1b5 Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1676240 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>