The HLD about MACsec feature is at :
https://github.com/Azure/SONiC/blob/master/doc/macsec/MACsec_hld.md
- How to verify it
This PR doesn't set MACsec container automatically start, You should manually start the container by docker run docker-macsec
wpa_supplicant binary can be found at MACsec container.
This PR depends on the PR, WPA_SUPPLICANT, and The MACsec container will be set as automatically start by later PR.
Signed-off-by: zegan <zegan@microsoft.com>
