scsi: core: Show SCMD_LAST in text form

The SCSI debugfs code supports showing information about pending commands,
including translating SCSI command flags from numeric into text format.
Also convert the SCMD_LAST flag from numeric into text form.

Link: https://lore.kernel.org/r/20211129194609.3466071-4-bvanassche@acm.org
Fixes: 8930a6c2 ("scsi: core: add support for request batching")
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/scsi_debugfs.c

@@ -9,6 +9,7 @@
 static const char *const scsi_cmd_flags[] = {
 	SCSI_CMD_FLAG_NAME(TAGGED),
 	SCSI_CMD_FLAG_NAME(INITIALIZED),
+	SCSI_CMD_FLAG_NAME(LAST),
 };
 #undef SCSI_CMD_FLAG_NAME