Added config files for splash2 benchmarks. Parameters:

Added config files for splash2 benchmarks. Parameters:
ROOTDIR = root directory of the splash2 code
NP = number of proccessors
BENCHMARK = name of the splash2 benchmark (Cholesky, FFT, LUContig, LUNoncontig, Radix, Barnes, FMM, OceanContig, OceanNoncontig, Raytrace, WaterNSquared, or WaterSpatial)
SYSTEM = Type of system to simulate detailed or simple

Note:  They use MOESI protocol and do_events is enabled (Multiple L1's and a shared L2)

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extra : convert_revision : c39aa73825ea8108b6c32abd4a4fa4c23391ab09