ptp: e1000e: use helpers for converting ns to timespec.
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 <e27030aebe9cad8817d34b8c31dbaf301fb798b9@gmail.com>
Acked-by: Jacob Keller <952d68dd7aa4b84e9f20381084cf63d55ea3c3b1@intel.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs