Before modifying bfad_reset_sdev_bflags(), convert it from a macro into a
function.

Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221031224728.2607760-4-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>