update_gpu_drivers: Update supported driver list

For help text only, no functional change.

BUG=None
TEST=update_gpu_drivers.sh

Change-Id: Id17754d3ae0cb60563126eaa3346449395d77f02
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2879131
Tested-by: Fei Shao <fshao@chromium.org>
Auto-Submit: Fei Shao <fshao@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@chromium.org>
Commit-Queue: Tzung-Bi Shih <tzungbi@chromium.org>
diff --git a/contrib/update_gpu_drivers.sh b/contrib/update_gpu_drivers.sh
index 4cc64f3..667a6bd 100755
--- a/contrib/update_gpu_drivers.sh
+++ b/contrib/update_gpu_drivers.sh
@@ -33,7 +33,7 @@
 # All drivers are in media-libs/ portage category.
 CATEGORY="media-libs"
 # List of supported drivers
-DRIVERS="mali-drivers mali-drivers-bifrost mali-drivers-valhall img-ddk"
+DRIVERS="arc-mali-drivers-bifrost arc-mali-drivers-valhall mali-drivers mali-drivers-bifrost mali-drivers-valhall img-ddk"
 
 # List of parameters to pass to build_board, for a given package $pn:
 #  - Build board names.