[roll] Roll fuchsia [driver_symbols] Remove symbols from restricted list

This change removes "asprintf", "ceilf" and "zx_take_startup_handle"
from kRestrictedLibcSymbols. This is a workaround to allow driver host
to load iwlwifi driver for now. We need to add them back when after
the driver is amended.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/913237
Original-Revision: b30841b668dec022f2b260a0c28635e0d90473ca
GitOrigin-RevId: f0c1b0e92cc89cd1375661da878f0132ba87994c
Change-Id: I6d74d525fa5d85f2ef29aef27627538fed1a3f62
diff --git a/stem b/stem
index 7f3deac..dae4788 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="f2cb2444395d7477a94d312855091691411215db"/>
+             revision="b30841b668dec022f2b260a0c28635e0d90473ca"/>
   </projects>
   <hooks>
     <hook name="install-environment"