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/servers/teleport/test.patch

@@ -0,0 +1,13 @@
+diff --git a/tool/tsh/resolve_default_addr_test.go b/tool/tsh/resolve_default_addr_test.go
+index d5976f156..aec5199aa 100644
+--- a/tool/tsh/resolve_default_addr_test.go
++++ b/tool/tsh/resolve_default_addr_test.go
+@@ -237,7 +237,7 @@ func TestResolveDefaultAddrTimeoutBeforeAllRacersLaunched(t *testing.T) {
+
+ 	blockingHandler, doneCh := newWaitForeverHandler()
+
+-	servers := make([]*httptest.Server, 1000)
++	servers := make([]*httptest.Server, 100)
+ 	for i := 0; i < len(servers); i++ {
+ 		servers[i] = makeTestServer(t, blockingHandler)
+ 	}