platform/x86: ideapad-laptop: Add Y520-15IKBN to no_hw_rfkill

Lenovo Legion Y520-15IKBN is yet another Lenovo model that does not
have an hw rfkill switch, resulting in wifi always reported as hard
blocked.

Add the model to the list of models without rfkill switch.
Signed-off-by: Olle Liljenzin <olle@liljenzin.se>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/ideapad-laptop.c

@@ -950,6 +950,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-17ISK"),
 		},
 	},
+	{
+		.ident = "Lenovo Legion Y520-15IKBN",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Y520-15IKBN"),
+		},
+	},
 	{
 		.ident = "Lenovo Yoga 2 11 / 13 / Pro",
 		.matches = {