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/python-modules/pypandoc/static-pandoc-path.patch

@@ -0,0 +1,11 @@
+diff --git a/pypandoc/__init__.py b/pypandoc/__init__.py
+index 6d5b79b..65437aa 100644
+--- a/pypandoc/__init__.py
++++ b/pypandoc/__init__.py
+@@ -582,4 +582,4 @@ def clean_pandocpath_cache():
+ 
+ 
+-__version = None
++__version = "@pandocVersion@"
+-__pandoc_path = None
++__pandoc_path = "@pandoc@"