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/development/python-modules/python-pam/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pam
+}:
+
+buildPythonPackage rec {
+  pname = "python-pam";
+  version = "1.8.4";
+
+  src = fetchFromGitHub {
+    owner = "FirefighterBlu3";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0gp7vzd332j7jwndcnz7kc9j283d6lyv32bndd1nqv9ghzv69sxp";
+  };
+
+  buildInputs = [
+    pam
+  ];
+
+  postPatch = ''
+    sed "s|find_library(\"pam\")|\"${pam}/lib/libpam.so\"|g" -i pam.py
+  '';
+
+  meta = with lib; {
+    description = "Python pam module supporting py3 (and py2)";
+    homepage = "https://github.com/FirefighterBlu3/python-pam";
+    license = licenses.mit;
+    maintainers = with maintainers; [ abbradar mkg20001 ];
+  };
+}