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/os-specific/linux/nix-ld/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, nixosTests
+}:
+let
+  libDir = if builtins.elem stdenv.system [ "x86_64-linux" "mips64-linux" "powerpc64le-linux" ]
+           then "/lib64"
+           else "/lib";
+in
+stdenv.mkDerivation rec {
+  pname = "nix-ld";
+  version = "1.0.2";
+
+  src = fetchFromGitHub {
+    owner = "mic92";
+    repo = "nix-ld";
+    rev = version;
+    sha256 = "sha256-DlWU5i/MykqWgB9vstYbECy3e+XagXWCxi+XDJNey0s=";
+  };
+
+  doCheck = true;
+
+  nativeBuildInputs = [ meson ninja ];
+
+  mesonFlags = [
+    "-Dnix-system=${stdenv.system}"
+  ];
+
+  hardeningDisable = [
+    "stackprotector"
+  ];
+
+  postInstall = ''
+    mkdir -p $out/nix-support
+
+    ldpath=${libDir}/$(basename $(< ${stdenv.cc}/nix-support/dynamic-linker))
+    echo "$ldpath" > $out/nix-support/ldpath
+    mkdir -p $out/lib/tmpfiles.d/
+    cat > $out/lib/tmpfiles.d/nix-ld.conf <<EOF
+      L+ $ldpath - - - - $out/libexec/nix-ld
+    EOF
+  '';
+
+  passthru.tests.nix-ld = nixosTests.nix-ld;
+
+  meta = with lib; {
+    description = "Run unpatched dynamic binaries on NixOS";
+    homepage = "https://github.com/Mic92/nix-ld";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mic92 ];
+    platforms = platforms.linux;
+  };
+}