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/reddsaver/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv
+, fetchFromGitHub
+, rustPlatform
+, openssl
+, pkg-config
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "reddsaver";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "manojkarthick";
+    repo = "reddsaver";
+    rev = "v${version}";
+    sha256 = "07xsrc0w0z7w2w0q44aqnn1ybf9vqry01v3xr96l1xzzc5mkqdzf";
+  };
+
+  cargoSha256 = "0y94dywligcsqs01d228w454ssrzg31p4j8mni9flcr4v29z3rwp";
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ openssl ]
+    ++ lib.optional stdenv.isDarwin Security;
+
+  # package does not contain tests as of v0.3.3
+  docCheck = false;
+
+  meta = with lib; {
+    description = "CLI tool to download saved media from Reddit";
+    homepage = "https://github.com/manojkarthick/reddsaver";
+    license = with licenses; [ mit /* or */ asl20 ];
+    maintainers = [ maintainers.manojkarthick ];
+  };
+
+}