scsi: fcoe: Fix function name fcoe_set_vport_symbolic_name() in description

Fixes the following W=1 kernel build warning(s):

drivers/scsi/fcoe/fcoe.c:2782: warning: expecting prototype for fcoe_vport_set_symbolic_name(). Prototype was for fcoe_set_vport_symbolic_name() instead

Link: https://lore.kernel.org/r/[e-mail]
Cc: Hannes Reinecke <[e-mail]>
Cc: "James E.J. Bottomley" <[e-mail]>
Cc: "Martin K. Petersen" <[e-mail]>
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/fcoe/fcoe.c

···
 }
 
 /**
- * fcoe_vport_set_symbolic_name() - append vport string to symbolic name
+ * fcoe_set_vport_symbolic_name() - append vport string to symbolic name
  * @vport: fc_vport with a new symbolic name string
  *
  * After generating a new symbolic name string, a new RSPN_ID request is