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/node-packages/package-tests/autoprefixer.nix

@@ -0,0 +1,25 @@
+{ runCommand, autoprefixer }:
+
+let
+  inherit (autoprefixer) packageName version;
+in
+
+runCommand "${packageName}-tests" { meta.timeout = 60; }
+  ''
+    # get version of installed program and compare with package version
+    claimed_version="$(${autoprefixer}/bin/autoprefixer --version | awk '{print $2}')"
+    if [[ "$claimed_version" != "${version}" ]]; then
+      echo "Error: program version does not match package version ($claimed_version != ${version})"
+      exit 1
+    fi
+
+    # run dummy commands
+    ${autoprefixer}/bin/autoprefixer --help > /dev/null
+    ${autoprefixer}/bin/autoprefixer --info > /dev/null
+
+    # Testing the actual functionality is done in the test for postcss
+    # because autoprefixer is a postcss plugin
+
+    # needed for Nix to register the command as successful
+    touch $out
+  ''