misc: xilinx-sdfec: Add BYPASS IOCTLs

misc: xilinx-sdfec: Add BYPASS IOCTLs

To allow user to the bypass the SDFEC block, where output data matches the
input data but the SDFEC performs the same operation(number of cycles).

Signed-off-by: Derek Kiernan <Derek.Kiernan@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>