scsi: bnx2fc: Switch to attribute groups

struct device supports attribute groups directly but does not support
struct device_attribute directly. Hence switch to attribute groups.

Link: https://lore.kernel.org/r/20211012233558.4066756-16-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bnx2fc/bnx2fc_fcoe.c

@@ -2951,11 +2951,13 @@ bnx2fc_tm_timeout_store(struct device *dev,
 static DEVICE_ATTR(tm_timeout, S_IRUGO|S_IWUSR, bnx2fc_tm_timeout_show,
 	bnx2fc_tm_timeout_store);
 
-static struct device_attribute *bnx2fc_host_attrs[] = {
-	&dev_attr_tm_timeout,
+static struct attribute *bnx2fc_host_attrs[] = {
+	&dev_attr_tm_timeout.attr,
 	NULL,
 };
 
+ATTRIBUTE_GROUPS(bnx2fc_host);
+
 /*
  * scsi_host_template structure used while registering with SCSI-ml
  */
@@ -2977,7 +2979,7 @@ static struct scsi_host_template bnx2fc_shost_template = {
 	.max_sectors		= 0x3fbf,
 	.track_queue_depth	= 1,
 	.slave_configure	= bnx2fc_slave_configure,
-	.shost_attrs		= bnx2fc_host_attrs,
+	.shost_groups		= bnx2fc_host_groups,
 };
 
 static struct libfc_function_template bnx2fc_libfc_fcn_templ = {