Add nvgpu_current_time_ms() to return a time from a monotonic clock
source in milliseconds. The start time is unspecified; this API is meant
to be used for duration measurements.
Jira NVGPU-83
Change-Id: I135c8ee88283149422a68d5fa859241eebbd6459
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1503001
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
571c7c2fb3