[SDK][HAL] Enable x86Bios on x86 (#5454) This will be needed for compatibility with x86 Windows Vista/7 videoprt.sys builds. Might be also useful in future for platforms (x86 , ...) where V86 mode is not available or buggy. CORE-11954, CORE-18185
[PCI][HALX86] Support PCI debugging devices Also optimize the PCI bus scanning CORE-17360
[CMAKE] Get rid of add_object_library It's not needed anymore
[HALPC98] Add Hardware Abstraction Layer for NEC PC-98 series (#3002)
[HALX86] Deduplicate initialization of legacy PICs and remove EOI in I/O APIC initialization, which causes an unexpected interrupt
Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.