Added fill_invalidator

rtl/VX_cache/VX_cache_config.v

@@ -37,6 +37,10 @@
 	`define DWBQ_SIZE 4
 	// Dram Fill Req Queue Size
 	`define DFQQ_SIZE `REQQ_SIZE
+  // Fill Invalidator Active {Comment out define statement to invalidate}
+  `define FILL_INVALIDATOR_ACTIVE 1
+  // Fill Invalidator Size {Fill invalidator must be active}
+  `define FILL_INVALIDAOR_SIZE 16
 
 // Dram knobs
 	`define SIMULATED_DRAM_LATENCY_CYCLES 10