reboot: arm: change reboot_mode to use enum reboot_mode

Preparing to move the parsing of reboot= to generic kernel code forces
the change in reboot_mode handling to use the enum.

[akpm@linux-foundation.org: fix arch/arm/mach-socfpga/socfpga.c]
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h
index a9fd453..904f2c9 100644
--- a/arch/arm/mach-spear/generic.h
+++ b/arch/arm/mach-spear/generic.h
@@ -16,6 +16,8 @@
 #include <linux/dmaengine.h>
 #include <linux/amba/pl08x.h>
 #include <linux/init.h>
+#include <linux/reboot.h>
+
 #include <asm/mach/time.h>
 
 extern void spear13xx_timer_init(void);
@@ -32,7 +34,7 @@
 void __init spear13xx_map_io(void);
 void __init spear13xx_l2x0_init(void);
 
-void spear_restart(char, const char *);
+void spear_restart(enum reboot_mode, const char *);
 
 void spear13xx_secondary_startup(void);
 void __cpuinit spear13xx_cpu_die(unsigned int cpu);