The core code bakes its own cookies now.

CC: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/147edb0ba59be563df19cec3e63e621aa65b7b68.1628682048.git.robin.murphy@arm.comSigned-off-by: Joerg Roedel <jroedel@suse.de>