scsi: fcoe: Fix a couple of incorrectly named functions

scsi: fcoe: Fix a couple of incorrectly named functions

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

 drivers/scsi/fcoe/fcoe_ctlr.c:1314: warning: expecting prototype for fcoe_ctlr_recv_els(). Prototype was for fcoe_ctlr_recv_clr_vlink() instead
 drivers/scsi/fcoe/fcoe_ctlr.c:2963: warning: expecting prototype for fcoe_ctlr_vlan_disk_reply(). Prototype was for fcoe_ctlr_vlan_disc_reply() instead

Link: https://lore.kernel.org/r/20210303144631.3175331-6-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>