By default this timestamp is 32 bit counter. It gets
overflowed in around 10 minutes.
Signed-off-by: NAlex Sierra <alex.sierra@amd.com>
Reviewed-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NPhilip Yang <Philip.Yang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>