wifi-scripts: fix undeclared variable in service wifi-device injection

The wifi-device injection path used object shorthand `name` where no such
variable is in scope (the loop binds radio/config), so under the strict VM
config_init threw and the whole wireless configuration for that reload was
skipped. Use the radio key as the device name.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/network/config/wifi-scripts/files/lib/netifd/wireless.uc

@@ -275,7 +275,7 @@ function config_init(uci)
 						continue;
 
 					dev = devices[radio] = {
-						name,
+						name: radio,
 						config,
 
 						vif: [],