GMPLS update - 8: optimizing GMPLS interface configuration entries

#Hard-link ed #GMPLS #interface #configuration through #standard #interface #entries in GMPLS module. This will indicate the #GMPLS #interface attributes like #RSVP #hello-interval, signaling-types supported,  etc ... This will reduce the memory requirement associated with the interface configuration. The hard-linked interface configuration entries enables accessing them directly from the standard interface instance entries.

#GMPLS update 8 ...
[commit 3f9104306e6ac2b1320cd3b331f72c54aafdaa14] (https://github.com/nes-repo/NES-Open-Switch/commit/3f9104306e6ac2b1320cd3b331f72c54aafdaa14)