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/misc/barebox/default.nix

@@ -0,0 +1,96 @@
+{ stdenv
+, lib
+, fetchurl
+, bison
+, dtc
+, flex
+, libusb1
+, lzop
+, openssl
+, pkg-config
+, buildPackages
+}:
+
+let
+  buildBarebox = {
+    filesToInstall
+  , installDir ? "$out"
+  , defconfig
+  , extraMeta ? {}
+  , ... } @ args: stdenv.mkDerivation rec {
+    pname = "barebox-${defconfig}";
+
+    version = "2020.12.0";
+
+    src = fetchurl {
+      url = "https://www.barebox.org/download/barebox-${version}.tar.bz2";
+      sha256 = "06vsd95ihaa2nywpqy6k0c7xwk2pzws4yvbp328yd2pfiigachrv";
+    };
+
+    postPatch = ''
+      patchShebangs scripts
+    '';
+
+    nativeBuildInputs = [
+      bison
+      dtc
+      flex
+      openssl
+      libusb1
+      lzop
+      pkg-config
+    ];
+    depsBuildBuild = [ buildPackages.stdenv.cc ];
+
+    hardeningDisable = [ "all" ];
+
+    makeFlags = [
+      "DTC=dtc"
+      "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+    ];
+
+    configurePhase = ''
+      runHook preConfigure
+
+      make ${defconfig}
+
+      runHook postConfigure
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p ${installDir}
+      cp ${lib.concatStringsSep " " filesToInstall} ${installDir}
+
+      runHook postInstall
+    '';
+
+    enableParallelBuilding = true;
+
+    dontStrip = true;
+
+    meta = with lib; {
+      homepage = "https://www.barebox.org";
+      description = "The Swiss Army Knive for bare metal";
+      license = licenses.gpl2;
+      maintainers = with maintainers; [ emantor ];
+    } // extraMeta;
+  } // removeAttrs args [ "extraMeta" ];
+
+in {
+  inherit buildBarebox;
+
+  bareboxTools = buildBarebox {
+    defconfig = "hosttools_defconfig";
+    installDir = "$out/bin";
+    extraMeta.platforms = lib.platforms.linux;
+    filesToInstall = [
+      "scripts/bareboximd"
+      "scripts/imx/imx-usb-loader"
+      "scripts/omap4_usbboot"
+      "scripts/omap3-usb-loader"
+      "scripts/kwboot"
+    ];
+  };
+}