Add the HW_FEATURE_CLEAN_ONLY_SAFE bit based on kbase. When I actually tried to port the logic from kbase, trivial jobs raised Data Invalid Faults, so this may depend on other coherency details. It's still useful to have the bit to record the feature bit when adding new models. Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220525145754.25866-7-alyssa.rosenzweig@collabora.com