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/web/wml/no_bitvector.patch

@@ -0,0 +1,10 @@
+--- a/wml_common/Makefile.in	2014-12-17 00:28:25.156736048 +0100
++++ b/wml_common/Makefile.in	2014-12-17 00:28:30.501817958 +0100
+@@ -45,7 +45,6 @@
+      have_gd=0
+ 
+ SUBDIRS = \
+-     bitvector \
+      filepathconvert \
+      gd \
+      getoptlong \