Garbage FCoE CT frames are transmitted on the wire because of bad DMA ptr
addresses filled in the GEN_REQ_WQE.

The __lpfc_sli_prep_gen_req_s4() routine is using the wrong buffer for the
payload address. Change the DMA buffer assignment from the bmp buffer to
the bpl buffer.

Link: https://lore.kernel.org/r/20220506205548.61644-1-jsmart2021@gmail.com
Fixes: 61910d6a ("scsi: lpfc: SLI path split: Refactor CT paths")
Co-developed-by: NJustin Tee <justin.tee@broadcom.com>
Signed-off-by: NJustin Tee <justin.tee@broadcom.com>
Signed-off-by: NJames Smart <jsmart2021@gmail.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>