Add high power handling in sff_mgr

[longhuan-cisco]

Add high power handling in sff_mgr.

[Junchao-Mellanox]

Hi @longhuan-cisco , any plan to implement this?

[longhuan-cisco]

@Junchao-Mellanox Unfortunately, I don't think we have resources/cycles on this task for (at least) this quarter, no certainty at this point.

[longhuan-cisco]

sonic-net/SONiC#1867