PINS SAI P4 program HLD

[smolkaj]

[ghost]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

:x: smolkaj sign now
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[smolkaj]

Hi @abdosi,could you please take a look and sign off on this? As per this page, you are the shepherd for this PR, and the community review is complete.

Thanks!