Fix typo usbtransfer->usb transfer on em28xx_errdev message.
Signed-off-by: NFilipe Rosset <rosset.filipe@gmail.com>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>