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/neon/darwin-fix-configure.patch

@@ -0,0 +1,12 @@
+diff -Nuar neon-0.29.6/configure neon-0.29.6-darwin-fix-configure/configure
+--- neon-0.29.6/configure	2011-05-03 14:25:31.000000000 +0200
++++ neon-0.29.6-darwin-fix-configure/configure	2012-06-06 23:32:21.000000000 +0200
+@@ -4184,7 +4184,7 @@
+ $as_echo "$ne_cv_os_uname" >&6; }
+ 
+ if test "$ne_cv_os_uname" = "Darwin"; then
+-  CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
++  CPPFLAGS="$CPPFLAGS"
+   LDFLAGS="$LDFLAGS -flat_namespace"
+   # poll has various issues in various Darwin releases
+   if test x${ac_cv_func_poll+set} != xset; then