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/gammu/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake, bluez, libusb1, curl
+, libiconv, gettext, sqlite
+, dbiSupport ? false, libdbi ? null, libdbiDrivers ? null
+, postgresSupport ? false, postgresql ? null
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "gammu";
+  version = "1.40.0";
+
+  src = fetchFromGitHub {
+    owner = "gammu";
+    repo = "gammu";
+    rev = version;
+    sha256 = "1jjaa9r3x6i8gv3yn1ngg815s6gsxblsw4wb5ddm77kamn2qyvpf";
+  };
+
+  patches = [ ./bashcomp-dir.patch ./systemd.patch ];
+
+  nativeBuildInputs = [ pkg-config cmake ];
+
+  strictDeps = true;
+
+  buildInputs = [ bluez libusb1 curl gettext sqlite libiconv ]
+  ++ optionals dbiSupport [ libdbi libdbiDrivers ]
+  ++ optionals postgresSupport [ postgresql ];
+
+  meta = {
+    homepage = "https://wammu.eu/gammu/";
+    description = "Command line utility and library to control mobile phones";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.coroa ];
+  };
+}