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/leaps/default.nix

@@ -0,0 +1,25 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+
+buildGoPackage rec {
+  pname = "leaps";
+  version = "0.9.0";
+
+  goPackagePath = "github.com/Jeffail/leaps";
+
+  src = fetchFromGitHub {
+    owner = "Jeffail";
+    repo = "leaps";
+    sha256 = "1bzas7ixyfsfh81lnvplhx59yghkmnmy5p7jv9rnwp219dwbylpz";
+    rev = "v${version}";
+  };
+
+  goDeps = ./deps.nix;
+
+  meta = {
+    description = "A pair programming tool and library written in Golang";
+    homepage = "https://github.com/jeffail/leaps/";
+    license = "MIT";
+    maintainers = with lib.maintainers; [ qknight ];
+    platforms = lib.platforms.unix;
+  };
+}