dev-arm: device name in AmbaFake accesses

dev-arm: device name in AmbaFake accesses

This patch prints the name of the AmbaFake device being accessed.
This is useful for identifying the device triggering the warning.

Change-Id: I69ca06d5d9bce73d918b8c8b46bb43e92597933b
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22847
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>