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/mobile/androidenv/build-tools.nix

@@ -0,0 +1,21 @@
+{deployAndroidPackage, lib, package, os, autoPatchelfHook, makeWrapper, pkgs, pkgs_i686}:
+
+deployAndroidPackage {
+  inherit package os;
+  buildInputs = [ makeWrapper ] ++
+    lib.optionals (os == "linux") [ autoPatchelfHook pkgs.glibc pkgs.zlib pkgs.ncurses5 pkgs_i686.glibc pkgs_i686.zlib pkgs_i686.ncurses5 pkgs.libcxx ];
+  patchInstructions = ''
+    ${lib.optionalString (os == "linux") ''
+      addAutoPatchelfSearchPath $packageBaseDir/lib
+      if [[ -d $packageBaseDir/lib64 ]]; then
+        addAutoPatchelfSearchPath $packageBaseDir/lib64
+        autoPatchelf --no-recurse $packageBaseDir/lib64
+      fi
+      autoPatchelf --no-recurse $packageBaseDir
+    ''}
+
+    wrapProgram $PWD/mainDexClasses \
+      --prefix PATH : ${pkgs.jdk8}/bin
+  '';
+  noAuditTmpdir = true; # The checker script gets confused by the build-tools path that is incorrectly identified as a reference to /build
+}