scsi: docs: fusion: get rid of a doc build warning

Use a table for the enum list, to avoid this warning:

	./drivers/message/fusion/mptbase.c:5058: WARNING: Definition list ends without a blank line; unexpected unindent.

Link: https://lore.kernel.org/r/9ca049c2d25689c56448afddf4f0d1e619fa87f7.1586359676.git.mchehab+huawei@kernel.orgSigned-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/message/fusion/mptbase.c

@@ -5052,9 +5052,11 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
  *	@ioc: Pointer to MPT_ADAPTER structure
  *	@persist_opcode: see below
  *
- *	MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
+ *	===============================  ======================================
+ *	MPI_SAS_OP_CLEAR_NOT_PRESENT     Free all persist TargetID mappings for
  *					 devices not currently present.
- *	MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
+ *	MPI_SAS_OP_CLEAR_ALL_PERSISTENT  Clear al persist TargetID mappings
+ *	===============================  ======================================
  *
  *	NOTE: Don't use not this function during interrupt time.
  *