usb: r8a66597-hcd: Change mistake of the outsw function

Some functions changed by 1c98347e613bf17ea2f18c9766ce0ab77f65a96d.
However, There was a change mistake of the function (outsw).

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Paul Mundt <lethal@linux-sh.org>
Cc: stable <stable@kernel.org>  [.35 & .36]
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h
index 95d0f5a..25563e9 100644
--- a/drivers/usb/host/r8a66597.h
+++ b/drivers/usb/host/r8a66597.h
@@ -227,7 +227,7 @@
 		int odd = len & 0x0001;
 
 		len = len / 2;
-		ioread16_rep(fifoaddr, buf, len);
+		iowrite16_rep(fifoaddr, buf, len);
 		if (unlikely(odd)) {
 			buf = &buf[len];
 			iowrite8((unsigned char)*buf, fifoaddr);