[PATCH] USB: touchkitusb.c (eGalax driver) fix

This patch corrects the URB initialisation for transfers
like this is done in other drivers too.
Without this patch no data was transmitted on a PXA270 OHCI
platform. May apply to others too.

Signed-off-by: Juergen Schindele <schindele@nentec.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>