Make dotprod and i8mm configurable features #1335
Merged
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Adds the
asm_arm64_dotprod
andasm_arm64_i8mm
features. We previously assumed that dotprod and i8mm were always enabled when building for aarch64 and then disabled at runtime if not supported. We also want to support the configuration where we do not even build the code, so these added features (enabled by default) allow this to be configurable.