configs-arm: enable PMU instantiation in CpuCluster
configs-arm: enable PMU instantiation in CpuCluster

This patch adds a new method to the CpuCluster object
which allows passing the PMU interrupt numbers and events
to record for each core.
This lets users create CPU clusters with PMUs.

Change-Id: Id49fd0aee50f49e4c6fca95e4ee673da3dca73cd
Reviewed-by: Giacomo Travaglini <8eef13a4f970e2e9372c8d26ad0737b760f99c02@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22848
Reviewed-by: Jason Lowe-Power <68c46a606457643eab92053c1c05574abb26f861@lowepower.com>
Maintainer: Giacomo Travaglini <8eef13a4f970e2e9372c8d26ad0737b760f99c02@arm.com>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>

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