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/perl-modules/expression-generator/make-clean-dir.sh

@@ -0,0 +1,5 @@
+#! /bin/sh
+
+rm -rf test;
+mkdir test; 
+for i in *.sh; do ln -s ../$i test; done;