LU-12222 ptlrpc: Check if NID is local, not just lolnd NID

LU-12222 ptlrpc: Check if NID is local, not just lolnd NID

There's a couple places where we check whether a NID is the lolnd NID
but we really want to know whether the NID is local. Use
LNetIsPeerLocal() to accomplish this.

Lustre-change: https://review.whamcloud.com/38388
Lustre-commit: 95bcc24642c4b95d093407fef0947ee2f5a2c01a

Signed-off-by: Chris Horn <hornc@cray.com>
Change-Id: Ia17b9b4b54fd1063c42a6f8bdd0e593be1086683
Reviewed-on: https://review.whamcloud.com/38865
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>