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/inav-blackbox-tools/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, cairo }:
+
+stdenv.mkDerivation rec {
+  pname = "inav-blackbox-tools";
+  version = "unstable-2021-04-22";
+
+  src = fetchFromGitHub {
+    owner = "iNavFlight";
+    repo = "blackbox-tools";
+    rev = "0109e2fb9b44d593e60bca4cef4098d83c55c373";
+    sha256 = "1rdlw74dqq0hahnka2w2pgvs172vway2x6v8byxl2s773l22k4ln";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ cairo ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p "$out/bin"
+    cp obj/{blackbox_decode,blackbox_render,encoder_testbed} "$out/bin"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Tools for working with blackbox flight logs";
+    homepage = "https://github.com/inavflight/blackbox-tools";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ expipiplus1 ];
+    platforms = platforms.all;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/inav-blackbox-tools.x86_64-darwin
+  };
+}