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/os-specific/darwin/apple-source-releases/Csu/default.nix

@@ -0,0 +1,28 @@
+{ lib, appleDerivation', stdenv }:
+
+appleDerivation' stdenv {
+
+  prePatch = ''
+    substituteInPlace Makefile \
+      --replace /usr/lib /lib \
+      --replace /usr/local/lib /lib \
+      --replace /usr/bin "" \
+      --replace /bin/ "" \
+      --replace "CC = " "#" \
+      --replace "SDK_DIR = " "SDK_DIR = . #" \
+
+    # Mac OS didn't support rpaths back before 10.5, but we don't care about it.
+    substituteInPlace Makefile \
+      --replace -mmacosx-version-min=10.4 -mmacosx-version-min=10.6 \
+      --replace -mmacosx-version-min=10.5 -mmacosx-version-min=10.6
+  '';
+
+  installFlags = [ "DSTROOT=$(out)" ];
+
+  meta = with lib; {
+    description = "Apple's common startup stubs for darwin";
+    maintainers = with maintainers; [ copumpkin ];
+    platforms   = platforms.darwin;
+    license     = licenses.apsl20;
+  };
+}