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/utmps/default.nix

@@ -0,0 +1,31 @@
+{ skawarePackages }:
+
+with skawarePackages;
+
+buildPackage {
+  pname = "utmps";
+  version = "0.1.2.0";
+  sha256 = "sha256-kCXZYbgnGg7MjutXhhJra3mTdq+m8r0lwPhy/STxEjw=";
+
+  description = "A secure utmpx and wtmp implementation";
+
+  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 execline executables from build directory
+    rm $(find -type f -mindepth 1 -maxdepth 1 -executable)
+    rm libutmps.*
+
+    mv doc $doc/share/doc/utmps/html
+    mv examples $doc/share/doc/utmps/examples
+  '';
+}