Fix c67x00-ll-hpi compilation failure (bug #10627)

This patch fixes bug #10627 which caused the compilation error below.

  CC [M]  drivers/usb/c67x00/c67x00-ll-hpi.o
  drivers/usb/c67x00/c67x00-ll-hpi.c: In function `ll_recv_msg':
  drivers/usb/c67x00/c67x00-ll-hpi.c:243: erreur: `HZ' undeclared (first use in this function)
  drivers/usb/c67x00/c67x00-ll-hpi.c:243: erreur: (Each undeclared identifier is reported only once
  drivers/usb/c67x00/c67x00-ll-hpi.c:243: erreur: for each function it appears in.)
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/usb/c67x00/c67x00-ll-hpi.c

@@ -23,6 +23,7 @@
 
 #include <asm/byteorder.h>
 #include <linux/io.h>
+#include <linux/jiffies.h>
 #include <linux/usb/c67x00.h>
 #include "c67x00.h"