XXH128Hasher: compute consistent ShaderCreateInfo hash between 32 and… #3460

Job	Run time
Linux -> Pre-checks	16s
Linux -> GCC-x64, Debug	11m 36s
Linux -> GCC-x64, Release	10m 43s
Linux -> Clang-x64, Debug	13m 12s
Linux -> Clang-x64, Release	12m 48s
Linux -> Clang-NO_GLSLANG-x64, Debug	7m 47s
Linux -> Clang-NO_GLSLANG-NO_HLSL-x64, Release	6m 9s
	1h 2m 31s

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