disable temporary vitio support for aarch64 processors

src/arch/aarch64/kernel/mod.rs

src/arch/aarch64/kernel/pci.rs

src/arch/aarch64/kernel/scheduler.rs

src/arch/aarch64/mm/paging.rs

src/arch/aarch64/mm/physicalmem.rs

src/arch/aarch64/mm/virtualmem.rs

src/arch/mod.rs

src/drivers/mod.rs

src/lib.rs

src/macros.rs

src/scheduler/mod.rs

src/syscalls/interfaces/mod.rs