From: Adrian Bunk <bunk@stusta.de>

- arch/i386/kernel/reboot.c: make reboot_thru_bios static
- arch/i386/mach-visws/reboot.c: remove the unused reboot_thru_bios and
                                 reboot_smp
- arch/i386/mach-voyager/voyager_basic.c: remove the unused reboot_thru_bios
- arch/i386/mach-voyager/voyager_smp.c: remove the unused reboot_smp
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>