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/tools/backup/duplicity/linux-disable-timezone-test.patch

@@ -0,0 +1,16 @@
+commit f0142706c377b7c133753db57b5c4c90baa2de30
+Author: Guillaume Girol <symphorien+git@xlumurb.eu>
+Date:   Sun Jul 11 17:48:15 2021 +0200
+
+diff --git a/testing/unit/test_statistics.py b/testing/unit/test_statistics.py
+index 4be5000c..80545853 100644
+--- a/testing/unit/test_statistics.py
++++ b/testing/unit/test_statistics.py
+@@ -63,6 +63,7 @@ class StatsObjTest(UnitTestCase):
+         s1 = StatsDeltaProcess()
+         assert s1.get_stat(u'SourceFiles') == 0
+ 
++    @unittest.skip("Broken on Linux in Nix' build environment")
+     def test_get_stats_string(self):
+         u"""Test conversion of stat object into string"""
+         s = StatsObj()