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/libraries/backward-cpp/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, lib, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "backward";
+  version = "1.3";
+
+  src = fetchFromGitHub {
+    owner = "bombela";
+    repo = "backward-cpp";
+    rev = "v${version}";
+    sha256 = "1nx77qamal53rq8qxsjzax6ljawb345a1v3cqmfwa0hx26srxcln";
+  };
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/include
+    cp backward.hpp $out/include
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Beautiful stack trace pretty printer for C++";
+    homepage = "https://github.com/bombela/backward-cpp";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ cstrahan ];
+  };
+}