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/text/vgrep/default.nix

@@ -0,0 +1,32 @@
+{ lib, buildGoModule, fetchFromGitHub, go-md2man, installShellFiles }:
+
+buildGoModule rec {
+  pname = "vgrep";
+  version = "2.6.0";
+
+  src = fetchFromGitHub {
+    owner = "vrothberg";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-RLyEOvNhb1oXPYYxVZKc+xN2uCgUaWMxh8dPEOUfAFA=";
+  };
+
+  vendorSha256 = null;
+
+  ldflags = [ "-s" "-w" "-X main.version=${version}" ];
+
+  nativeBuildInputs = [ go-md2man installShellFiles ];
+
+  postBuild = ''
+    sed -i '/SHELL= /d' Makefile
+    make docs
+    installManPage docs/*.[1-9]
+  '';
+
+  meta = with lib; {
+    description = "User-friendly pager for grep/git-grep/ripgrep";
+    homepage = "https://github.com/vrothberg/vgrep";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}