uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/security/gau/default.nix

@@ -0,0 +1,29 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "gau";
+  version = "2.1.1";
+
+  src = fetchFromGitHub {
+    owner = "lc";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-jIMBvRnY1Z/cLwBnWGp1fsx6oLri1qiknLj+r9B4GHc=";
+  };
+
+  vendorSha256 = "sha256-HQATUCzYvhhlqe4HhNu9H4CqmY2IGLNJ9ydt3/igSmQ=";
+
+  meta = with lib; {
+    description = "Tool to fetch known URLs";
+    longDescription = ''
+      getallurls (gau) fetches known URLs from various sources for any
+      given domain.
+    '';
+    homepage = "https://github.com/lc/gau";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}