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/development/tools/build-managers/bazel/buildtools/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "bazel-buildtools";
+  version = "5.1.0";
+
+  src = fetchFromGitHub {
+    owner = "bazelbuild";
+    repo = "buildtools";
+    rev = version;
+    sha256 = "sha256-PNIqsP5p+OdYH0JgOmjqvge9zVOrAcNg0FMflXFJHwQ=";
+  };
+
+  vendorSha256 = "sha256-9WUjQhXWkpSEJj9Xq+9rOe3I1VZ7nqMTnX7DPl+rxsU=";
+
+  preBuild = ''
+    rm -r warn/docs
+  '';
+
+  doCheck = false;
+
+  excludedPackages = [ "generatetables" ];
+
+  ldflags = [ "-s" "-w" "-X main.buildVersion=${version}" "-X main.buildScmRevision=${src.rev}" ];
+
+  meta = with lib; {
+    description = "Tools for working with Google's bazel buildtool. Includes buildifier, buildozer, and unused_deps";
+    homepage = "https://github.com/bazelbuild/buildtools";
+    license = licenses.asl20;
+    maintainers = with maintainers;
+      [ elasticdog uri-canva marsam ]
+      ++ lib.teams.bazel.members;
+  };
+}