tuxedo-drivers: add update script

pkgs/os-specific/linux/tuxedo-drivers/default.nix

···
   kernelModuleMakeFlags,
   kmod,
   pahole,
+  gitUpdater
 }:
 
 stdenv.mkDerivation (finalAttrs: {
···
     "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
     "INSTALL_MOD_PATH=${placeholder "out"}"
   ];
+
+  passthru.updateScript = gitUpdater {
+    rev-prefix = "v";
+  };
 
   meta = {
     broken = stdenv.hostPlatform.isAarch64 || (lib.versionOlder kernel.version "5.5");