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/misc/otfcc/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, premake5 }:
+
+stdenv.mkDerivation rec {
+  pname = "otfcc";
+  version = "0.10.4";
+
+  src = fetchFromGitHub {
+    owner = "caryll";
+    repo = "otfcc";
+    rev = "v${version}";
+    sha256 = "1nrkzpqklfpqsccji4ans40rj88l80cv7dpxwx4g577xrvk13a0f";
+  };
+
+  nativeBuildInputs = [ premake5 ];
+
+  patches = [
+    ./fix-aarch64.patch
+    ./move-makefiles.patch
+  ];
+
+  buildFlags = lib.optional stdenv.isAarch64 [ "config=release_arm" ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/release-*/otfcc* $out/bin/
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Optimized OpenType builder and inspector";
+    homepage = "https://github.com/caryll/otfcc";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ jfrankenau ttuegel ];
+  };
+
+}