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/tools/admin/uacme/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, asciidoc
+, autoconf-archive
+, autoreconfHook
+, pkg-config
+, curl
+, openssl
+}:
+stdenv.mkDerivation rec {
+  pname = "uacme";
+  version = "1.7.1";
+
+  src = fetchFromGitHub {
+    owner = "ndilieto";
+    repo = "uacme";
+    rev = "v${version}";
+    hash = "sha256-QCI34B/C4vZ3hNnp06NIScY03RTZ0EZBl2HPnQjjtnc=";
+  };
+
+  configureFlags = [ "--with-openssl" ];
+
+  nativeBuildInputs = [
+    asciidoc
+    autoconf-archive
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    curl
+    openssl
+  ];
+
+  meta = with lib; {
+    description = "ACMEv2 client written in plain C with minimal dependencies";
+    homepage = "https://github.com/ndilieto/uacme";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ malvo ];
+  };
+}