scsi: ibmvfc: Enable MQ and set reasonable defaults

Turn on MQ by default and set sane values for the upper limit on hw queues
for the SCSI host, and number of hw SCSI channels to request from the
partner VIOS.

Link: https://lore.kernel.org/r/20210114203148.246656-21-tyreld@linux.ibm.com
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ibmvscsi/ibmvfc.h

@@ -41,9 +41,9 @@
 #define IBMVFC_DEFAULT_LOG_LEVEL	2
 #define IBMVFC_MAX_CDB_LEN		16
 #define IBMVFC_CLS3_ERROR		0
-#define IBMVFC_MQ			0
-#define IBMVFC_SCSI_CHANNELS		0
-#define IBMVFC_SCSI_HW_QUEUES		1
+#define IBMVFC_MQ			1
+#define IBMVFC_SCSI_CHANNELS		8
+#define IBMVFC_SCSI_HW_QUEUES		8
 #define IBMVFC_MIG_NO_SUB_TO_CRQ	0
 #define IBMVFC_MIG_NO_N_TO_M		0