tc0: add support for changing the frequency of all the CPUs
Created by: uarif1
This patch adds support for changing the frequency of all the cores, e.g. when the governor changes the frequency of the cluster.
Signed-off-by: Usama Arif usama.arif@arm.com Change-Id: I04668b53e472e2f3e43b177f2852052318e4e206