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/misc/solfege/webbrowser.patch

@@ -0,0 +1,8 @@
+Fix startup.
+
+--- a/solfege/mainwin.py
++++ b/solfege/mainwin.py
+@@ -27,2 +27,3 @@ import textwrap
+ try:
++    webbrowser.register_standard_browsers()
+     i = webbrowser._tryorder.index("x-www-browser")