[roll] Roll fuchsia [magma][img-rgx] Remove driver_package() usage.

Replace it with fuchsia_package() instead.
For testing, 'fx set core.BOARD', where BOARD is one of the vendor
boards that use the img-rtx GPU, and verify that the content of
out/default/obj/build/images/system_image.manifest hasn't changed.

Original-Bug: 70622

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/489059
Original-Revision: ae14719f8bbb8f034798abbc68de8b33f71da275
GitOrigin-RevId: 4dec7b06dcdd2b09cd2e3bf2a05e8f68dd95a8f7
Change-Id: Ia2980ebf4144405d7d4cd0b77e8f818dd0575c32
diff --git a/stem b/stem
index a5aa06f..5489289 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="01a44485cc540f04b591ff238e70e3b650aab201"/>
+             revision="ae14719f8bbb8f034798abbc68de8b33f71da275"/>
   </projects>
   <hooks>
     <hook name="install-environment"