[PATCH v5 3/4] perf/marvell: cn10k DDR perfmon event overflow handling

[Bhaskara Budiredla]

>Two fixed event counters starts counting from zero on overflow, so overflow
>condition is when new count less than previous count. While eight
>programmable event counters freezes at maximum value. Also individual
>counter cannot be restarted, so need to restart all eight counters.
>
>Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
>---

Reviewed-by: Bhaskara Budiredla <bbudiredla at marvell.com>