LU-12931 libcfs: skip cfs_time_seconds() indirection

LU-12931 libcfs: skip cfs_time_seconds() indirection

Avoid one level of indirection when calling nsecs_to_jiffies64().

Test-Parameters: trivial
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: Ib5ff2aae5352bc86d75a8ae2a2a9f1b406887376
Reviewed-on: https://review.whamcloud.com/40145
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>