base,cpu,mem: Use templatized SatCounter

base,cpu,mem: Use templatized SatCounter

Change the deprecated SatCounter instances to the new type-size-
aware SatCounters.

Jira: https://gem5.atlassian.net/browse/GEM5-813

Change-Id: Ie943c553dd8a8c24c80e737783708b033ce001da
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/37095
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>