LACP upgrade - 3: updated LACP member port initialization and reset routines

Updated #member-port #init and #reset routines in #LACP module. These routine the initialization and reset operation as part of the #LACP #protocol #operation. On init for the member-port the LAG initialization routine is also called for setting defaults for the LAG parameters. The init also causes the #member-port to be #detached from the #aggregator as well. Hence the selection process starts over again and #elects the #aggregator again.

#LACP update 16 ...
[commit 1a5e11fea1f11448ca06d1e44b62971268b366d3] (https://github.com/nes-repo/NES-Open-Switch/commit/1a5e11fea1f11448ca06d1e44b62971268b366d3)