linux-phytec-fsl

caif_usb: use target structure member in memset

parent cfusbl was used instead of first structure member 'layer'

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>