remove hit_latency and make latency do the right thing

set the latency parameter in terms of a latency
add caches to tsunami-simple configs

configs/common/Caches.py:
tests/configs/memtest.py:
tests/configs/o3-timing-mp.py:
tests/configs/o3-timing.py:
tests/configs/simple-atomic-mp.py:
tests/configs/simple-timing-mp.py:
tests/configs/simple-timing.py:
    set the latency parameter in terms of a latency
configs/common/FSConfig.py:
    give the bridge a default latency too
src/mem/cache/cache_builder.cc:
src/python/m5/objects/BaseCache.py:
    remove hit_latency and make latency do the right thing
tests/configs/tsunami-simple-atomic-dual.py:
tests/configs/tsunami-simple-atomic.py:
tests/configs/tsunami-simple-timing-dual.py:
tests/configs/tsunami-simple-timing.py:
    add caches to tsunami-simple configs

--HG--
extra : convert_revision : 37bef7c652e97c8cdb91f471fba62978f89019f1

src/python/m5/objects/BaseCache.py

@@ -9,7 +9,7 @@ class BaseCache(MemObject):
         "Use an adaptive compression scheme")
     assoc = Param.Int("associativity")
     block_size = Param.Int("block size in bytes")
-    latency = Param.Int("Latency")
+    latency = Param.Latency("Latency")
     compressed_bus = Param.Bool(False,
         "This cache connects to a compressed memory")
     compression_latency = Param.Latency('0ns',
@@ -59,6 +59,5 @@ class BaseCache(MemObject):
          "Use the CPU ID to seperate calculations of prefetches")
     prefetch_data_accesses_only = Param.Bool(False,
          "Only prefetch on data not on instruction accesses")
-    hit_latency = Param.Int(1,"Hit Latency of the cache")
     cpu_side = Port("Port on side closer to CPU")
     mem_side = Port("Port on side closer to MEM")