Ethernet phy update - 15: phy port cleanup

Added corrections in #provider #bridge ( #PB ) #phy #port #handler routines in bridge module. Updated provider bridge internal LAN ( #ILAN ) - between provider edge port ( #PEP ) and customer network port ( #CNP) - #create / #remove routines. Also updated provider backbone bridge ( #PBB ) provider instance port ( #PIP ) #attach / #detach operations on with the #bridge #component and customer backbone port ( #CBP ) #activation handler.

#Ethernet update 125 + #802-1AD update 20 + #802-1AH update 30 ...
[commit e81ead0e6b35cb14ad8bbe420c35c964cde6cee0] (https://github.com/nes-repo/NES-Open-Switch/commit/c59876e941e1b088ad14dc13c3cdaa3dee34b5b0)