Merge branch 'net-iep-clock-module-fixes'

Meghana Malladi says:

====================
IEP clock module bug fixes

This series has some bug fixes for IEP module needed by PPS and
timesync operations.

Patch 1/2 fixes firmware load sequence to run all the firmwares
when either of the ethernet interfaces is up. Move all the code
common for firmware bringup under common functions.

Patch 2/2 fixes distorted PPS signal when the ethernet interfaces
are brough down and up. This patch also fixes enabling PPS signal
after bringing the interface up, without disabling PPS.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>