llvm-project

70da9155 - Update host CPU detection for Apple M2 and Apple M3 (#82100)

Update host CPU detection for Apple M2 and Apple M3 (#82100) `CPUFAMILY_ARM_BLIZZARD_AVALANCHE` and `CPUFAMILY_ARM_EVEREST_SAWTOOTH` are taken from `<mach/machine.h>` in `Kernel.framework`.