net: hns3: remove a duplicate assignment

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

This patch removes a duplicated assignment in
hclge_reset_prepare_wait().

Fixes: 7cc5f1c13564 ("net: hns3: add support for handling IMP error")

Feature or Bugfix:Bugfix
Signed-off-by: NHuazhong Tan <tanhuazhong@huawei.com>
Reviewed-by: Nlipeng <lipeng321@huawei.com>
Reviewed-by: NYunsheng Lin <linyunsheng@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -3365,7 +3365,7 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev)
 {
 #define HCLGE_RESET_SYNC_TIME 100
 
-	struct hnae3_handle *handle = handle = &hdev->vport[0].nic;
+	struct hnae3_handle *handle = &hdev->vport[0].nic;
 	u32 reg_val;
 	int ret = 0;