Bridge port update - 13: optimizing MRP configuration

#Hard-link ed #bridge #port #MRP parameters with standard #bridge #port in ethernet module. This will reduce the memory requirement for maintaining bridge port MRP configuration and enables easy access to these parameters. Also #referencing bridge port MRP configuration parameters through the #standard #bridge #port.

#Ethernet update 111 ...
[commit 3f93326b70d4275b140cd3f52dc5d65b94c8c45a]