dev-arm: Fix SMMUv3BaseCache Stats

After [1] the SMMUv3BaseCache stats are undistinguible within each
other.

With this patch we are adding a string to their constructor so
that we can distinguish between an IPA, Config etc cache stat

[1]: https://gem5-review.googlesource.com/c/public/gem5/+/36415

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: Iaa84ed948cf2a4c36ea4fcda589676b9bbeed6fd
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/42983
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
3 files changed