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/tools/misc/linuxkit/default.nix

@@ -0,0 +1,27 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+
+buildGoPackage rec {
+  pname   = "linuxkit";
+  version = "0.8";
+
+  goPackagePath = "github.com/linuxkit/linuxkit";
+
+  src = fetchFromGitHub {
+    owner = "linuxkit";
+    repo = "linuxkit";
+    rev = "v${version}";
+    sha256 = "15jj60k8wz9cahjbdscnwyyfb1k1grjh7yrilb1cj4r8mby4sp2g";
+  };
+
+  subPackages = [ "src/cmd/linuxkit" ];
+
+  ldflags = [ "-s" "-w" "-X ${goPackagePath}/src/cmd/linuxkit/version.GitCommit=${src.rev}" "-X ${goPackagePath}/src/cmd/linuxkit/version.Version=${version}" ];
+
+  meta = with lib; {
+    description = "A toolkit for building secure, portable and lean operating systems for containers";
+    license = licenses.asl20;
+    homepage = "https://github.com/linuxkit/linuxkit";
+    maintainers = [ maintainers.nicknovitski ];
+    platforms = platforms.unix;
+  };
+}