wusb: use correct format characters

When compiling with -Wformat, clang warns:

./include/linux/usb/wusb.h:245:5: warning: format specifies type
'unsigned short' but the argument has type 'u8' (aka 'unsigned char')
[-Wformat]
  ckhdid->data[0],  ckhdid->data[1],
  ^~~~~~~~~~~~~~~

ckhdid->data is unconditionally defined as `u8 data[16]`, so this patch
updates the format characters to the correct one for unsigned char types.

Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Louis Taylor <redacted>
---
 include/linux/usb/wusb.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/usb/wusb.h b/include/linux/usb/wusb.h
index 9e4a3213f2c2..0a3cdf10972d 100644
--- a/include/linux/usb/wusb.h
+++ b/include/linux/usb/wusb.h

@@ -240,8 +240,8 @@ static inline size_t ckhdid_printf(char *pr_ckhdid, size_t size,
 				   const struct wusb_ckhdid *ckhdid)
 {
 	return scnprintf(pr_ckhdid, size,
-			 "%02hx %02hx %02hx %02hx %02hx %02hx %02hx %02hx "
-			 "%02hx %02hx %02hx %02hx %02hx %02hx %02hx %02hx",
+			 "%02hhu %02hhu %02hhu %02hhu %02hhu %02hhu %02hhu %02hhu "
+			 "%02hhu %02hhu %02hhu %02hhu %02hhu %02hhu %02hhu %02hhu",
 			 ckhdid->data[0],  ckhdid->data[1],
 			 ckhdid->data[2],  ckhdid->data[3],
 			 ckhdid->data[4],  ckhdid->data[5],