Add support for ECC counters for HUB MMU JIRA: GPUT19X-82 Change-Id: I691d5898d4db9fe2cd68f217baa646479ab5cb00 Signed-off-by: David Nieto <dmartineznie@nvidia.com> Reviewed-on: http://git-master/r/1490825 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>