scsi: lpfc: Remove unnecessary zero return code assignment in lpfc_sli4_hba_setup

In order to enter the !rc if statement block in question, rc had to have
been zero to begin with.  Thus, the rc = 0 assignment is unnecessary and
can be removed.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20231009161812.97232-2-justintee8345@gmail.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>