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/bloaty/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, cmake, zlib, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  version = "1.1";
+  pname = "bloaty";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "bloaty";
+    rev = "v${version}";
+    sha256 = "1556gb8gb8jwf5mwxppcqz3mp269b5jhd51kj341iqkbn27zzngk";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ zlib ];
+
+  doCheck = true;
+
+  installPhase = ''
+    install -Dm755 {.,$out/bin}/bloaty
+  '';
+
+  meta = with lib; {
+    description = "a size profiler for binaries";
+    homepage = "https://github.com/google/bloaty";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ dtzWill ];
+  };
+}