raspberrypiWirelessFirmware: set sourceProvenance, remove 'with lib'

pkgs/by-name/ra/raspberrypiWirelessFirmware/package.nix

@@ -53,11 +53,12 @@ stdenvNoCC.mkDerivation {
     runHook postInstall
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Firmware for builtin Wifi/Bluetooth devices in the Raspberry Pi 3+ and Zero W";
     homepage = "https://github.com/RPi-Distro/firmware-nonfree";
-    license = licenses.unfreeRedistributableFirmware;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ lopsided98 ];
+    license = lib.licenses.unfreeRedistributableFirmware;
+    maintainers = with lib.maintainers; [ lopsided98 ];
+    platforms = lib.platforms.linux;
+    sourceProvenance = with lib.sourceTypes; [ binaryFirmware ];
   };
 }