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/emulators/cdemu/base.nix

@@ -0,0 +1,36 @@
+{ pname, version, pkgSha256 }:
+{ lib, stdenv, fetchurl, cmake, pkg-config, buildInputs, drvParams ? {} }:
+stdenv.mkDerivation ( rec {
+  inherit pname version buildInputs;
+  src = fetchurl {
+    url = "mirror://sourceforge/cdemu/${pname}-${version}.tar.xz";
+    sha256 = pkgSha256;
+  };
+  nativeBuildInputs = [ pkg-config cmake ];
+  setSourceRoot = ''
+    mkdir build
+    cd build
+    sourceRoot="`pwd`"
+  '';
+  configurePhase = ''
+    cmake ../${pname}-${version} -DCMAKE_INSTALL_PREFIX=$out -DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_RPATH=ON
+  '';
+  meta = with lib; {
+    description = "A suite of tools for emulating optical drives and discs";
+    longDescription = ''
+      CDEmu consists of:
+
+      - a kernel module implementing a virtual drive-controller
+      - libmirage which is a software library for interpreting optical disc images
+      - a daemon which emulates the functionality of an optical drive+disc
+      - textmode and GTK clients for controlling the emulator
+      - an image analyzer to view the structure of image files
+
+      Optical media emulated by CDemu can be mounted within Linux. Automounting is also allowed.
+    '';
+    homepage = "https://cdemu.sourceforge.io/";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with lib.maintainers; [ bendlas ];
+  };
+} // drvParams)