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/graphics/hobbits/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, mkDerivation, fetchFromGitHub
+, cmake, pkg-config, pffft, libpcap, libusb1, python3
+}:
+
+mkDerivation rec {
+  pname = "hobbits";
+  version = "0.53.1";
+
+  src = fetchFromGitHub {
+    owner = "Mahlet-Inc";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-dMFsv2M96+65JxTOq0CG+vm7a75GkD7N7PmbsyZ2Fog=";
+  };
+
+  postPatch = ''
+    substituteInPlace src/hobbits-core/settingsdata.cpp \
+      --replace "pythonHome = \"/usr\"" "pythonHome = \"${python3}\""
+    substituteInPlace cmake/gitversion.cmake \
+      --replace "[Mystery Build]" "${version}"
+  '';
+
+  buildInputs = [ pffft libpcap libusb1 python3 ];
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  NIX_CFLAGS_COMPILE = lib.optional stdenv.hostPlatform.isAarch64 "-Wno-error=narrowing";
+
+  meta = with lib; {
+    description = "A multi-platform GUI for bit-based analysis, processing, and visualization";
+    homepage = "https://github.com/Mahlet-Inc/hobbits";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sikmir ];
+    platforms = platforms.linux;
+  };
+}