atlantic forwarding driver v1.1.8

  [ATLDRV-1438] - Fwd: port PTP from Linux driver

Change-Id: I1ce01c227f8fdc25c011480ffcd18247320263b9
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Git-commit: c6141c29b8b25fd345c7e5b0dd3e186735258000
Git-repo: https://github.com/aquantia/linux-4.14-atlantic-forwarding


[ltyagi@codeaurora.org: Fix compilation error in atl_ptp_hwtstamp_config_set/get]
Signed-off-by: Lakshit Tyagi <ltyagi@codeaurora.org>