Use magma_util:macros

Change-Id: I3d236ab58c38bff6a4efccd4b5c496145a988b5c
diff --git a/BUILD.gn b/BUILD.gn
index 01ad5ae..10f173a 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -220,7 +220,7 @@
 driver_deps = [
   "//garnet/drivers/gpu/msd-img-rgx/include",
   "//garnet/lib/magma/include:msd_abi",
-  "//garnet/lib/magma/src/magma_util",
+  "//garnet/lib/magma/src/magma_util:macros",
   "//garnet/lib/magma/src/magma_util/platform:barriers",
   "//garnet/lib/magma/src/magma_util/platform:buffer",
   "//garnet/lib/magma/src/magma_util/platform:device",