net: hns: Incorrect offset address used for some registers.

According to the hip06 Datasheet:
1. The offset of INGRESS_SW_VLAN_TAG_DISC should be 0x1A00+4*all_chn_num
2. The offset of INGRESS_IN_DATA_STP_DISC should be 0x1A50+4*all_chn_num
Signed-off-by: NYonglong Liu <liuyonglong@huawei.com>
Signed-off-by: NPeng Li <lipeng321@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c

@@ -2166,9 +2166,9 @@ void hns_dsaf_update_stats(struct dsaf_device *dsaf_dev, u32 node_num)
 		DSAF_INODE_LOCAL_ADDR_FALSE_NUM_0_REG + 0x80 * (u64)node_num);
 
 	hw_stats->vlan_drop += dsaf_read_dev(dsaf_dev,
-		DSAF_INODE_SW_VLAN_TAG_DISC_0_REG + 0x80 * (u64)node_num);
+		DSAF_INODE_SW_VLAN_TAG_DISC_0_REG + 4 * (u64)node_num);
 	hw_stats->stp_drop += dsaf_read_dev(dsaf_dev,
-		DSAF_INODE_IN_DATA_STP_DISC_0_REG + 0x80 * (u64)node_num);
+		DSAF_INODE_IN_DATA_STP_DISC_0_REG + 4 * (u64)node_num);
 
 	/* pfc pause frame statistics stored in dsaf inode*/
 	if ((node_num < DSAF_SERVICE_NW_NUM) && !is_ver1) {