[PATCH] add missing pm_power_off's

Add the missing pm_power_off's for the h8300, v850 and xtensa
architectures.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/h8300/kernel/process.c

@@ -45,6 +45,9 @@
 #include <asm/setup.h>
 #include <asm/pgtable.h>
 
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
 asmlinkage void ret_from_fork(void);
 
 /*

arch/v850/kernel/process.c

@@ -30,6 +30,9 @@
 #include <asm/system.h>
 #include <asm/pgtable.h>
 
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
 extern void ret_from_fork (void);
 
 

arch/xtensa/kernel/process.c

@@ -64,6 +64,9 @@ EXPORT_SYMBOL(init_task);
 
 struct task_struct *current_set[NR_CPUS] = {&init_task, };
 
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
 
 #if XCHAL_CP_NUM > 0