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/networking/frp/default.nix

@@ -0,0 +1,32 @@
+{ buildGoModule, lib, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "frp";
+  version = "0.42.0";
+
+  src = fetchFromGitHub {
+    owner = "fatedier";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-Ubc9jRZ+rkJ5TelizP6z9Hef6TkypfGMhZN+H4Awdqc=";
+  };
+
+  vendorSha256 = "sha256-5ljUbEvynNo1AxGpJq9B0bTFgzVfgVZbsqXcPBERLMI=";
+
+  doCheck = false;
+
+  subPackages = [ "cmd/frpc" "cmd/frps" ];
+
+  meta = with lib; {
+    description = "Fast reverse proxy";
+    longDescription = ''
+      frp is a fast reverse proxy to help you expose a local server behind a
+      NAT or firewall to the Internet. As of now, it supports TCP and UDP, as
+      well as HTTP and HTTPS protocols, where requests can be forwarded to
+      internal services by domain name. frp also has a P2P connect mode.
+    '';
+    homepage = "https://github.com/fatedier/frp";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ Br1ght0ne ];
+  };
+}