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/r-modules/generate-shell.nix

@@ -0,0 +1,23 @@
+with import ../../.. {};
+
+stdenv.mkDerivation {
+  name = "generate-r-packages-shell";
+
+  buildCommand = "exit 1";
+
+  buildInputs = [
+    wget
+    cacert
+    nix
+  ];
+
+  nativeBuildInputs = [
+    (rWrapper.override {
+      packages = with rPackages; [
+        data_table
+        parallel
+        BiocManager
+      ];
+    })
+  ];
+}