[build] Update ddk dep location

Change-Id: Ib18712effa248e2bf3ea6c17b614235ea48316fa
diff --git a/BUILD.gn b/BUILD.gn
index e6f4ffc..baa083a 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -239,9 +239,9 @@
   ]
   deps = [
     "//src/devices/pci/lib/pci",
+    "//src/lib/ddk",
     "//zircon/public/lib/fbl",
     "//zircon/public/lib/zircon-internal",
-    "//zircon/system/ulib/ddk",
   ]
   defines = [ "_ALL_SOURCE" ]
   if (acpica_debug_output) {