[openib-general] librdmacm git repos needs config dir

[Sean Hefty]

> The librdmacm git repository needs a config dir or autoconf changes to
> make that dir as part of config.  I'm not a autoconf wiz, so I just
> created the config dir and put a hidden file named .gitignore in it for
> libamso. That way its created when folks clone it.  Dunno if that's the
> best way, but it worked...

I committed a patch to the master and rdma_ucm-abi3 branches that should 
auto-create the config directory if it's not there.  I also updated the libibcm.

- Sean