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/applications/networking/irc/weechat/scripts/weechat-otr/libpath.patch

@@ -0,0 +1,13 @@
+diff --git a/weechat_otr.py b/weechat_otr.py
+index 0ccfb35..c42bebf 100644
+--- a/weechat_otr.py
++++ b/weechat_otr.py
+@@ -41,6 +41,8 @@ import shlex
+ import shutil
+ import sys
+ 
++sys.path.append('@env@')
++
+ import potr
+ import weechat
+