msm: ipa: Add macsec mode ioctl

Introducing a new ioctl and corresponding data structures
to map or unmap one or more physical ethernet NICs
to macsec interface/s.

Change-Id: I15f5f88226ffa07818526f591468053992ad78e9
Signed-off-by: Ilia Lin <quic_ilial@quicinc.com>