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/audio/roc-toolkit/0001-Remove-deprecated-scons-call.patch

@@ -0,0 +1,24 @@
+From abdfbb94df98fe88be4dd92ca587500126558411 Mon Sep 17 00:00:00 2001
+From: Victor Gaydov <victor@enise.org>
+Date: Sun, 26 Jul 2020 11:54:52 +0300
+Subject: [PATCH] Remove deprecated scons call
+
+---
+ SConstruct | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/SConstruct b/SConstruct
+index 407025d8..04afa91f 100644
+--- a/SConstruct
++++ b/SConstruct
+@@ -49,7 +49,6 @@ env = Environment(ENV=os.environ, tools=[
+ # performance tuning
+ env.Decider('MD5-timestamp')
+ env.SetOption('implicit_cache', 1)
+-env.SourceCode('.', None)
+ 
+ # provide absolute path to force single sconsign file
+ # per-directory sconsign files seems to be buggy with generated sources
+-- 
+2.34.1
+