group: Add cfm-firmare-updaters to camera

Allow access the cfm-firmware-updaters to the camera video devices.

BUG=b:266181515
TEST=none

Change-Id: Id220030d6fcb1f2e524dce3b7498fd1c8bd78f50
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/4209369
Reviewed-by: Kyle Williams <kdgwill@chromium.org>
Tested-by: Ricky Liang <jcliang@chromium.org>
Commit-Queue: Ricky Liang <jcliang@chromium.org>
Reviewed-by: Allen Webb <allenwebb@google.com>
Reviewed-by: Shik Chen <shik@chromium.org>
diff --git a/profiles/base/accounts/group/camera b/profiles/base/accounts/group/camera
index 3a1cb98..7859eca 100644
--- a/profiles/base/accounts/group/camera
+++ b/profiles/base/accounts/group/camera
@@ -1,3 +1,3 @@
 group:camera
 gid:20042
-users:arc-camera
+users:arc-camera,cfm-firmware-updaters