feat: add support for running quickemu on macOS hosts

[flexiondotorg]

Support for macOS hosts

This pull request makes Quickemu compatible with macOS hosts, meaning that quickemu can now be used to create and run virtual machines on macOS hosts.

Intel and Apple Silicon CPUs on the host are supported. However, Quickemu currently only has x86 OS images available, so Apple Silicon Macs are currently provisioned with x86 virtual machines. This will be addressed in the future.

Improved compatibility for macOS guests

In addition, this pull request significantly improves the compatibility and performance when running macOS guest VMs, particularly if your host has an Intel CPU. Thanks to @TuxVinyards and @lj3954 for their research in this area.

• Close feat: add support for running quickemu on macOS hosts #447
• Close feat: support running Quickemu on arm64 host #784
• Close bug: Can't boot macOS on Fedora 40 with Wayland #1236

[TuxVinyards]

                for FLAG in abm aes amd_ssbd apic arat bmi1 bmi2 clflush cmov cx8 cx16 de \
                            eist erms f16c fma fp87 fsgsbase fxsr invpcid invtsc lahf_lm lm \
                            mca mce mmx movbe mpx msr mtrr nx pae pat pcid pge pse popcnt pse36 \
                            rdrand rdtscp sep smep syscall tsc tsc_adjust vaes vbmi2 vpclmulqdq \
                            x2apic xgetbv1 xsave xsaveopt; do

Remove adx as is Skylake

Remove vmx as is Intel

amd_ssbd should have had an underscore. But, edit, should be removed too. That's neither Haswell nor Intel.

Couple of things that I spotted