Add init_ovr_sm_dsm_perf & get_ovr_perf_regs gr ops JIRA GPUT19X-49 Bug 200311674 Change-Id: If02dd9dc0e2e0eb1f68fdbaa86a37c6768eddcef Signed-off-by: Seema Khowala <seemaj@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1497403 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>