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/compilers/go/go-1.9-skip-flaky-19608.patch

@@ -0,0 +1,12 @@
+diff --git a/src/net/http/serve_test.go b/src/net/http/serve_test.go
+index 7137599..43cca2e 100644
+--- a/src/net/http/serve_test.go
++++ b/src/net/http/serve_test.go
+@@ -5361,6 +5361,7 @@ func testServerKeepAlivesEnabled(t *testing.T, h2 bool) {
+ // the server's doing its 1-byte background read between requests,
+ // waiting for the connection to maybe close.
+ func TestServerCancelsReadTimeoutWhenIdle(t *testing.T) {
++	testenv.SkipFlaky(t, 19608)
+ 	setParallel(t)
+ 	defer afterTest(t)
+ 	const timeout = 250 * time.Millisecond