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/misc/ssocr/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, imlib2, libX11, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "ssocr";
+  version = "2.22.1";
+
+  src = fetchFromGitHub {
+    owner = "auerswal";
+    repo = "ssocr";
+    rev = "v${version}";
+    sha256 = "sha256-j1l1o1wtVQo+G9HfXZ1sJQ8amsUQhuYxFguWFQoRe/s=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ imlib2 libX11 ];
+
+  installFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "Seven Segment Optical Character Recognition";
+    homepage = "https://github.com/auerswal/ssocr";
+    license = licenses.gpl3;
+    maintainers = [ maintainers.kroell ];
+  };
+}