VLAN management update

Added changes for #VLAN enable/disable/untagging configuration management in #ethernet module. This will handle different types of VLANs (#C-VLAN, #S-VLAN and #B-VLAN) required by 802-1Q, 802-1AD & 802-1AH components.

Cleaned up component port and component activation routines.

Ethernet update 10 ...
[commit 708bdaf600c77e3979f3dc09abae4861b2bc099a]