MSTP update - 1: adding extended configuration parameters

Added #extended #parameters for #MSTP and #SPB operation in MSTP module. This include control parameters like #RESTRICTED_DOMAIN_ROLE, #FDB-to-SPT #mapping and #VLAN-to-SPT #mapping etc ...

#802-1S MSTP update 1 + #802-1AQ SPB update 3 ...
[commit 7d79911d2b026c12b5bca5736cef67755cc25080]