IB/qib: Eliminate 64-bit jiffies use

The qib driver makes use of the the 64-bit jiffies API.

Code inspection reveals that that version of the API is not really
required.  This patch converts to use the "normal" jiffies.

Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.h b/drivers/infiniband/hw/qib/qib_qsfp.h
index 46002a9..91908f5 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.h
+++ b/drivers/infiniband/hw/qib/qib_qsfp.h
@@ -177,7 +177,7 @@
 	struct qib_pportdata *ppd;
 	struct work_struct work;
 	struct qib_qsfp_cache cache;
-	u64 t_insert;
+	unsigned long t_insert;
 	u8 modpresent;
 };