The original configuration might be copied from bcm2710 which uses
cortex A53 rather than A72 in BCM2711, without errata might be harmful
to system stability and security.
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
(cherry picked from commit d549809c05)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>