misc: xilinx_sdfec: fix spelling mistake: "Schdule" -> "Schedule"

There is a spelling mistake in a dev_dbg message, fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dragan Cvetic <dragan.cvetic@xilinx.com>
Link: https://lore.kernel.org/r/20190819094137.390-1-colin.king@canonical.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>