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/applications/networking/cluster/kbst/default.nix

@@ -0,0 +1,40 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "kbst";
+  version = "0.1.5";
+
+  src = fetchFromGitHub{
+    owner = "kbst";
+    repo = "kbst";
+    rev = "v${version}";
+    sha256 = "0cz327fl6cqj9rdi8zw6xrazzigjymhn1hsbjr9xxvfvfnn67xz2";
+  };
+
+  ldflags =
+    let package_url = "github.com/kbst/kbst"; in
+    [
+      "-s" "-w"
+      "-X ${package_url}.version=${version}"
+      "-X ${package_url}.buildDate=unknown"
+      "-X ${package_url}.gitCommit=${src.rev}"
+      "-X ${package_url}.gitTag=v${version}"
+      "-X ${package_url}.gitTreeState=clean"
+    ];
+
+  vendorSha256 = "sha256-DZ47Bj8aFfBnxU9+e1jZiTMF75rCJtcj4yUfZRJWCic=";
+
+  doCheck = false;
+
+  doPostInstallCheck = true;
+  PostInstallCheckPhase = ''
+    $out/bin/kbst help | grep v${version} > /dev/null
+  '';
+
+  meta = with lib; {
+    description = "Kubestack framework CLI";
+    homepage = "https://www.kubestack.com/";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mtrsk ];
+  };
+}