Why I did it
Enable Test sai api on bfn container with a lightweight container(saiserver).
How I did it
enable saiserver container on barefoot platform.
add docker-saiserver-bfn.mk for building saiserver container
in platform/barefoot/docker-saiserver-bfn, add necessary files that needs in saiserver container
How to verify it
Tested on Intel platform ec9516
Signed-off-by: richardyu-ms <richard.yu@microsoft.com>
Signed-off-by: richardyu-ms <richard.yu@microsoft.com>
