Backport Request: scsi: lpfc: Fix DMA virtual address ptr assignment in bsg

[James Smart <jsmart2021@xxxxxxxxx>]

Please backport the following patch to the 5.10 stable kernel. It is was 
upstream'd as of the 5.12 kernel.

scsi: lpfc: Fix DMA virtual address ptr assignment in bsg
commit    83adbba746d1

The error causes diagnostic loopback tests to fail.

Note: problem was introduced in 5.10 by:
  scsi: lpfc: Reject CT request for MIB commands
  commit b67b59443282


-- James