LU-9010 ptlrpc: Change static defines to use macro for gss_svc_upcall.c

LU-9010 ptlrpc: Change static defines to use macro for gss_svc_upcall.c

This patch replaces spinlock which are defined statically
in file lustre/ptlrpc/gss/gss_svc_upcall.c with kernel
provided macro.

Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Change-Id: I9978fcf50763df1b908c41377eef89ce284cf835
Reviewed-on: https://review.whamcloud.com/33934
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>