Since driver reads periodically MDIO registers (timer function to check
link state) and HAL reads periodically LPDC MDIO registers (through
ioctl call) it happened once in a while that ioctl read operation would be
interleaved with timer function. As a result HAL would get the value
read from a different MDIO register than the one requested. This had
caused occasional link restarts on LPDC ports.

The script files have been moved in host_tools directory.

- New script to generate the VLAN kconfig
- Allows raw configuration for vlan ports
- New key for PTP VID

acking branch 'origin/jcb-proposed_master' into proposed_master

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.

If wrsLeapSecStatusDetails returns 'leapSecFileExpired' then it will be
propagated to wrsLeapSecStatus as follow:
- Timing mode is GM or FR : Warning
- Timing mode is BC: Ok