net: hns3: Use ARRAY_SIZE() to improve readability

There is a helper function ARRAY_SIZE() to help calculating the
u32 array size, and we don't need to do it mannually. So, let's
use ARRAY_SIZE() to calculate the array size, and improve the code
readability.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Jijie Shao<shaojijie@huawei.com>
Link: https://patch.msgid.link/20240818052518.45489-1-zhangzekun11@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c

@@ -134,17 +134,17 @@ void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version,
 	reg += hclgevf_reg_get_header(reg);
 
 	/* fetching per-VF registers values from VF PCIe register space */
-	reg_um = sizeof(cmdq_reg_addr_list) / sizeof(u32);
+	reg_um = ARRAY_SIZE(cmdq_reg_addr_list);
 	reg += hclgevf_reg_get_tlv(HCLGEVF_REG_TAG_CMDQ, reg_um, reg);
 	for (i = 0; i < reg_um; i++)
 		*reg++ = hclgevf_read_dev(&hdev->hw, cmdq_reg_addr_list[i]);
 
-	reg_um = sizeof(common_reg_addr_list) / sizeof(u32);
+	reg_um = ARRAY_SIZE(common_reg_addr_list);
 	reg += hclgevf_reg_get_tlv(HCLGEVF_REG_TAG_COMMON, reg_um, reg);
 	for (i = 0; i < reg_um; i++)
 		*reg++ = hclgevf_read_dev(&hdev->hw, common_reg_addr_list[i]);
 
-	reg_um = sizeof(ring_reg_addr_list) / sizeof(u32);
+	reg_um = ARRAY_SIZE(ring_reg_addr_list);
 	for (j = 0; j < hdev->num_tqps; j++) {
 		reg += hclgevf_reg_get_tlv(HCLGEVF_REG_TAG_RING, reg_um, reg);
 		for (i = 0; i < reg_um; i++)
@@ -153,7 +153,7 @@ void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version,
 						  HCLGEVF_RING_REG_OFFSET * j);
 	}
 
-	reg_um = sizeof(tqp_intr_reg_addr_list) / sizeof(u32);
+	reg_um = ARRAY_SIZE(tqp_intr_reg_addr_list);
 	for (j = 0; j < hdev->num_msi_used - 1; j++) {
 		reg += hclgevf_reg_get_tlv(HCLGEVF_REG_TAG_TQP_INTR, reg_um, reg);
 		for (i = 0; i < reg_um; i++)