[PATCH] gianfar: add missing include

[Richard Cochran]

On Tue, Apr 10, 2012 at 02:18:47PM +1000, Michael Neuling wrote:
> This is because of a missing include file from:
>   6663628 gianfar: Support the get_ts_info ethtool method.
> 
> Signed-off-by: Michael Neuling <mikey at neuling.org>

I did a poor job testing the non-x86 stuff in this series.  Thanks for
the fix.

Acked-by: Richard Cochran <richardcochran at gmail.com>