MSTP update - 11: optimizing STP port extended parameters

#Hard-link ed #STP #port #extended configuration entries with #standard #STP #port #entries in MSTP module. These include parameters like #AUTO_EDGE, #AUTO_ISOLATE, etc ... for the STP port. This will reduce the memory requirement associated with the STP port extended entries. The hard-linked STP port extended entries enables accessing them directly from the standard STP port entries.

#802-1S #MSTP update 11 ...
[commit d4ed5fd3861ac0b3c39b9cbdff5698721940cb56]