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/haskell-modules/stack-hook.sh

@@ -0,0 +1,11 @@
+addStackArgs () {
+  if [ -n "$(echo $1/lib/lib*)" ]; then
+    STACK_IN_NIX_EXTRA_ARGS+=" --extra-lib-dirs=$1/lib"
+  fi
+
+  if [ -d "$1/include" ]; then
+    STACK_IN_NIX_EXTRA_ARGS+=" --extra-include-dirs=$1/include"
+  fi
+}
+
+addEnvHooks "$targetOffset" addStackArgs