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/audio/curseradio/mpv.patch

@@ -0,0 +1,11 @@
+--- a/curseradio/curseradio.py
++++ b/curseradio/curseradio.py
+@@ -30,7 +30,7 @@ import re
+ 
+ CONFIG_DEFAULT = {
+     'opml': {'root': "http://opml.radiotime.com/"},
+-    'playback': {'command': '/usr/bin/mpv'},
++    'playback': {'command': '@mpv@/bin/mpv'},
+     'interface': {'keymap': 'default'},
+     'keymap.default': {
+         'up': 'KEY_UP',