input: hp680_ts compile fixes.

Trivial fix to follow the DECLARE_WORK changes, this makes the HD64461
touchscreen driver work properly again. As pointed out by David Howells.

Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
1 file changed