ptp: ocp: Make debugfs variables the correct bitwidth

An earlier patch mistakenly changed these variables from u32 to u16,
leading to unintended truncation.  Restore the original logic.

Fixes: a509a7c6 ("ptp: ocp: Add support for selectable SMA directions.")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220316165347.599154-1-jonathan.lemon@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/ptp/ptp_ocp.c

@@ -2983,11 +2983,12 @@ ptp_ocp_summary_show(struct seq_file *s, void *data)
 {
 	struct device *dev = s->private;
 	struct ptp_system_timestamp sts;
-	u16 sma_val[4][2], ctrl, val;
 	struct ts_reg __iomem *ts_reg;
 	struct timespec64 ts;
 	struct ptp_ocp *bp;
+	u16 sma_val[4][2];
 	char *src, *buf;
+	u32 ctrl, val;
 	bool on, map;
 	int i;