Make the existing ARMv8 Cortex-A tunings similar in the way the cascade
the settings.
(From OE-Core rev: cde415c640164ffd3593aff1ba32b252e68adbd8)
Signed-off-by: Jon Mason <jon.mason@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>