Add support for specific clock sources

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index 3d48467..9163e47 100644
--- a/init.c
+++ b/init.c
@@ -992,6 +992,7 @@
 	{ .name = "job",	.shift = FD_JOB },
 	{ .name = "mutex",	.shift = FD_MUTEX },
 	{ .name	= "profile",	.shift = FD_PROFILE },
+	{ .name = "time",	.shift = FD_TIME },
 	{ .name = NULL, },
 };