arm64: enable max frequency capping

Defines arch_scale_max_freq_capacity() to use cpufreq implementation.

Change-Id: I06f9ffbe521d5ba317482b09ea0df4488dab197c
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
1 file changed