asus-nb-wmi: Add wapf=4 quirk for X456UA/X456UF

These laptops boot with wifi as hard-blocked, with no obvious way to
enable it. Using a quirk to set wapf=4 solves the problem.
Signed-off-by: NDaniel Drake <drake@endlessm.com>
Acked-by: NCorentin Chary <corentin.chary@gmail.com>
Signed-off-by: NDarren Hart <dvhart@linux.intel.com>

drivers/platform/x86/asus-nb-wmi.c

@@ -126,6 +126,24 @@ static const struct dmi_system_id asus_quirks[] = {
 		},
 		.driver_data = &quirk_asus_wapf4,
 	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UF",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
 	{
 		.callback = dmi_matched,
 		.ident = "ASUSTeK COMPUTER INC. X501U",