Extend the existing CCI driver to support the PMU by registering a perf
backend for it.
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Nicolas Pitre <nico@linaro.org> Cc: Dave Martin <dave.martin@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
[will: removed broken __init annotations] Signed-off-by: Will Deacon <will.deacon@arm.com>