i40e: Fix MAC format in Write MAC address AQ cmd

The MAC address format expected by the hardware is in a very specific
format, and the driver was filling in the data incorrectly.

Change-ID: I7bc66505ef459ee347dd3bda68051004c141c689
Signed-off-by: NKamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: NKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_common.c

@@ -254,8 +254,11 @@ i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw,
 	i40e_fill_default_direct_cmd_desc(&desc,
 					  i40e_aqc_opc_mac_address_write);
 	cmd_data->command_flags = cpu_to_le16(flags);
-	memcpy(&cmd_data->mac_sal, &mac_addr[0], 4);
-	memcpy(&cmd_data->mac_sah, &mac_addr[4], 2);
+	cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]);
+	cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) |
+					((u32)mac_addr[3] << 16) |
+					((u32)mac_addr[4] << 8) |
+					mac_addr[5]);
 
 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);