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/libraries/nsss/default.nix

@@ -0,0 +1,33 @@
+{ skawarePackages }:
+
+with skawarePackages;
+
+buildPackage {
+  pname = "nsss";
+  version = "0.2.0.1";
+  sha256 = "0nqjnfqvzzn4i45h849b3n8qwcrzd5wlrwlvkmjdga5k4yk4x63x";
+
+  description = "An implementation of a subset of the pwd.h, group.h and shadow.h family of functions.";
+
+  # TODO: nsss support
+  configureFlags = [
+    "--libdir=\${lib}/lib"
+    "--dynlibdir=\${lib}/lib"
+    "--bindir=\${bin}/bin"
+    "--includedir=\${dev}/include"
+    "--with-sysdeps=${skalibs.lib}/lib/skalibs/sysdeps"
+    "--with-include=${skalibs.dev}/include"
+    "--with-lib=${skalibs.lib}/lib"
+    "--with-dynlib=${skalibs.lib}/lib"
+  ];
+
+  postInstall = ''
+    # remove all nsss executables from build directory
+    rm $(find -name "nsssd-*" -type f -mindepth 1 -maxdepth 1 -executable)
+    rm libnsss.* libnsssd.*
+
+    mv doc $doc/share/doc/nsss/html
+    mv examples $doc/share/doc/nsss/examples
+  '';
+
+}