scsi: megaraid_sas: 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/[e-mail]
Signed-off-by: Bart Van Assche <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/megaraid/megaraid_sas_base.c

···
 static DEVICE_ATTR_RO(dump_system_regs);
 static DEVICE_ATTR_RO(raid_map_id);
 
-static struct device_attribute *megaraid_host_attrs[] = {
-	&dev_attr_fw_crash_buffer_size,
-	&dev_attr_fw_crash_buffer,
-	&dev_attr_fw_crash_state,
-	&dev_attr_page_size,
-	&dev_attr_ldio_outstanding,
-	&dev_attr_fw_cmds_outstanding,
-	&dev_attr_enable_sdev_max_qd,
-	&dev_attr_dump_system_regs,
-	&dev_attr_raid_map_id,
+static struct attribute *megaraid_host_attrs[] = {
+	&dev_attr_fw_crash_buffer_size.attr,
+	&dev_attr_fw_crash_buffer.attr,
+	&dev_attr_fw_crash_state.attr,
+	&dev_attr_page_size.attr,
+	&dev_attr_ldio_outstanding.attr,
+	&dev_attr_fw_cmds_outstanding.attr,
+	&dev_attr_enable_sdev_max_qd.attr,
+	&dev_attr_dump_system_regs.attr,
+	&dev_attr_raid_map_id.attr,
 	NULL,
 };
+
+ATTRIBUTE_GROUPS(megaraid_host);
 
 /*
  * Scsi host template for megaraid_sas driver
···
 	.eh_abort_handler = megasas_task_abort,
 	.eh_host_reset_handler = megasas_reset_bus_host,
 	.eh_timed_out = megasas_reset_timer,
-	.shost_attrs = megaraid_host_attrs,
+	.shost_groups = megaraid_host_groups,
 	.bios_param = megasas_bios_param,
 	.map_queues = megasas_map_queues,
 	.mq_poll = megasas_blk_mq_poll,