[oneDNN][BugFix] Fix dtype utility function for F16 AVX2 DL extension #69087
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Intel's Efficiency cores do not support AVX512 instructions. However, some of them do support lower precisions (BF16/FP16) by converting to and from FP32. Due to the lack of Byte and Word instruction set support, the current condition check always returns False, even on supporting E-cores. This PR fixes the condition to correctly return True on all compatible hardware.