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>

doc/builders/packages/kakoune.section.md

@@ -0,0 +1,9 @@
+# Kakoune {#sec-kakoune}
+
+Kakoune can be built to autoload plugins:
+
+```nix
+(kakoune.override {
+  plugins = with pkgs.kakounePlugins; [ parinfer-rust ];
+})
+```