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/accessibility/espeakup/default.nix

@@ -0,0 +1,46 @@
+{ stdenv
+, lib
+, meson
+, ninja
+, espeak-ng
+, fetchFromGitHub
+, pkg-config
+, ronn
+, alsa-lib
+, systemd
+}:
+
+stdenv.mkDerivation rec {
+  pname = "espeakup";
+  version = "0.90";
+
+  src = fetchFromGitHub {
+    owner = "linux-speakup";
+    repo = "espeakup";
+    rev = "v${version}";
+    sha256 = "0lmjwafvfxy07zn18v3dzjwwpnid2xffgvy2dzlwkbns8gb60ds2";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    ronn
+  ];
+
+  buildInputs = [
+    espeak-ng
+    alsa-lib
+    systemd
+  ];
+
+  PKG_CONFIG_SYSTEMD_SYSTEMDSYSTEMUNITDIR = "${placeholder "out"}/lib/systemd/system";
+
+  meta = with lib; {
+    homepage = "https://github.com/linux-speakup/espeakup";
+    description = "Lightweight connector for espeak-ng and speakup";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ ethindp ];
+    platforms = with platforms; linux;
+  };
+}