x86: apic - rearrange functions and comments

Rearrange functions and comments to find differences
easier.

Also use apic_printk in setup_boot_APIC_clock for
64bit mode.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2 files changed