i386: reboot.c cleanups

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>

arch/i386/kernel/reboot.c

@@ -20,7 +20,7 @@
 void (*pm_power_off)(void);
 
 static int reboot_mode;
-int reboot_thru_bios;
+static int reboot_thru_bios;
 
 #ifdef CONFIG_SMP
 int reboot_smp = 0;

arch/i386/mach-visws/reboot.c

@@ -8,9 +8,6 @@
 
 void (*pm_power_off)(void);
 
-int reboot_thru_bios;
-int reboot_smp;
-
 void machine_restart(char * __unused)
 {
 #ifdef CONFIG_SMP

arch/i386/mach-voyager/voyager_basic.c

@@ -36,8 +36,6 @@
  */
 void (*pm_power_off)(void);
 
-int reboot_thru_bios;
-
 int voyager_level = 0;
 
 struct voyager_SUS *voyager_SUS = NULL;

arch/i386/mach-voyager/voyager_smp.c

@@ -31,8 +31,6 @@
 
 #include <linux/irq.h>
 
-int reboot_smp = 0;
-
 /* TLB state -- visible externally, indexed physically */
 DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0 };