mem-ruby: L1/L2 hit/miss tracking for MOESI_AMD_BASE/GPU_VIPER

mem-ruby: L1/L2 hit/miss tracking for MOESI_AMD_BASE/GPU_VIPER

L1 and L2 access tracking was not fully implemented.
This patch adds the missing tracking actions, and corrects
several errors for the ones that were there.

Change-Id: I69a59283274c08e94b6650ab5f586cbfe5432503
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33915
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>