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/misc/barman/default.nix

@@ -0,0 +1,37 @@
+{ fetchFromGitHub
+, lib
+, python3Packages
+}:
+python3Packages.buildPythonApplication rec {
+  pname = "barman";
+  version = "2.17";
+
+  src = fetchFromGitHub {
+    owner = "EnterpriseDB";
+    repo = pname;
+    rev = "release/${version}";
+    sha256 = "0c4gcs4kglbb2qma4nlvw0ycj1wnsg934p9vs50dvqi9099hxkmb";
+  };
+
+  checkInputs = with python3Packages; [
+    mock
+    pytestCheckHook
+  ];
+
+  propagatedBuildInputs = with python3Packages; [
+    argcomplete
+    azure-identity
+    azure-storage-blob
+    boto3
+    psycopg2
+    python-dateutil
+  ];
+
+  meta = with lib; {
+    homepage = "https://www.pgbarman.org/";
+    description = "Backup and Recovery Manager for PostgreSQL";
+    maintainers = with maintainers; [ freezeboy ];
+    license = licenses.gpl3Plus;
+    platforms = platforms.unix;
+  };
+}