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/applications/radio/dmrconfig/default.nix

@@ -0,0 +1,51 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch
+, libusb1, systemd }:
+
+stdenv.mkDerivation rec {
+  pname = "dmrconfig";
+  version = "1.1";
+
+  src = fetchFromGitHub {
+    owner = "sergev";
+    repo = "dmrconfig";
+    rev = version;
+    sha256 = "1qwix75z749628w583fwp7m7kxbj0k3g159sxb7vgqxbadqqz1ab";
+  };
+
+  patches = [
+    # Pull upstream fix for -fno-common toolchains.
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://github.com/OpenRTX/dmrconfig/commit/1a6901488db26262a6b69f80b0e795864e9e8d0a.patch";
+      sha256 = "03px1y95a8aspd251i1jj8ggqfjvkqby4lhn5pb7l5c1lzh6h762";
+    })
+  ];
+
+  buildInputs = [
+    libusb1 systemd
+  ];
+
+  preConfigure = ''
+    substituteInPlace Makefile \
+      --replace /usr/local/bin/dmrconfig $out/bin/dmrconfig
+  '';
+
+  makeFlags = [ "VERSION=${version}" "GITCOUNT=0" ];
+
+  installPhase = ''
+    mkdir -p $out/bin $out/lib/udev/rules.d
+    make install
+    install 99-dmr.rules $out/lib/udev/rules.d/99-dmr.rules
+  '';
+
+  meta = with lib; {
+    description = "Configuration utility for DMR radios";
+    longDescription = ''
+      DMRconfig is a utility for programming digital radios via USB programming cable.
+    '';
+    homepage = "https://github.com/sergev/dmrconfig";
+    license = licenses.asl20;
+    maintainers = [ maintainers.etu ];
+    platforms = platforms.linux;
+  };
+}