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/audio/sc68/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv
+, fetchsvn
+, pkg-config
+, which
+, autoconf
+, automake
+, libtool
+, hexdump
+, libao
+, zlib
+, curl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sc68";
+  version = "unstable-2021-08-23";
+
+  src = fetchsvn {
+    url = "svn://svn.code.sf.net/p/sc68/code/";
+    rev = "694";
+    sha256 = "1yycnr4ndzfhbmki41c30zskwyizpb9wb8sf0gxcprllmbq6a421";
+  };
+
+  preConfigure = "tools/svn-bootstrap.sh";
+
+  enableParallelBuilding = true;
+
+  nativeBuildInputs = [ pkg-config which autoconf automake libtool hexdump ];
+
+  buildInputs = [ libao zlib curl ];
+
+  meta = with lib; {
+    description = "Atari ST and Amiga music player";
+    homepage = "http://sc68.atari.org/project.html";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ OPNA2608 ];
+    platforms = platforms.all;
+  };
+}