* Add support for Apple M1 AArch64 SoCs
Completely based on #150. Thanks to @sbehnke!
+ Refactoring to accomodate the new source tree
+ Adding more feature flags
* revert minimum version to 3.0
* Update introspection table
* Simplify logic for Apple HAVE_SYSCTLBYNAME
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Co-authored-by: Guillaume Chatelet <gchatelet@google.com>