refactor(cpus): convert Neoverse V1 to use CPU helpers

Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: Idb4b47982278cda93a7c0f0a49dfceb75b8d88e4
(cherry picked from commit f6af21852d5837e2b0f69dc513e362e9d2f26477)
2 files changed