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/kde-frameworks/kdoctools/kdoctools-no-find-docbook-xml.patch

@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5c4863c..f731775 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -46,7 +46,6 @@ set_package_properties(LibXml2 PROPERTIES
+                       )
+ 
+ 
+-find_package(DocBookXML4 "4.5")
+ 
+ set_package_properties(DocBookXML4 PROPERTIES
+                        TYPE REQUIRED