linux-phytec-ti

ptp: e1000e: use helpers for converting ns to timespec.

This patch changes the driver to use ns_to_timespec64() instead of
open coding the same logic.

Compile tested only.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>