A set of cpt_upgraders was patching old checkpoints regardless
of the ISA in use. Thanks to the previous patch, we can now
retrieve the ISA of the CPU from the isa section.
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: Ia110068c06453796cefac028ee13f21667e5371a
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
