- Create xbox.cmake based on legacy.cmake and pic.cmake
- Revive Xbox HAL files and add them to the build
- Fix boot with Xbox HAL, add missing parts from halinit_up.c
- Code style and debug logging improvements in pcibus.c
- Allow to choose Xbox HAL in usetup
CORE-16216
There is no need to compile our DLLs as shared libraries since we are
managing symbols exports and imports through spec files.
On my system, this reduces the configure-time by a factor of two.
