fix compares of jiffies

[Mark D. Studebaker]

good idea,
let's fix this after the 2.7.0 release

Kyösti Mälkki wrote:
> 
> I came across this in old posts, applies to several i2c drivers.
> Trivial if you know when time_before() has appeared..
> 
> --- linux-2.4.20-pre6/drivers/i2c/i2c-adap-ite.c        Sat Aug  3 02:39:44 2002
> +++ linux-2.4.20-pre6-jfix/drivers/i2c/i2c-adap-ite.c   Wed Sep 11 13:01:41 2002
> @@ -82,7 +82,7 @@
>          unsigned long j = jiffies + 10;
> 
>         DEB3(printk(" Write 0x%02x to 0x%x\n",(unsigned short)val, ctl&0xff));
> -       DEB3({while (jiffies < j) schedule();})
> +       DEB3({while (time_before(jiffies, j)) schedule();})
>         outw(val,ctl);
>  }
> 
> --
>   Kyösti Mälkki
>   kmalkki at cc.hut.fi