[MIPS] Export pm_power_off

This is required for ipmi_poweroff.c to work as a module.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
index 621037d..060563a 100644
--- a/arch/mips/kernel/reset.c
+++ b/arch/mips/kernel/reset.c
@@ -23,6 +23,8 @@
 void (*_machine_halt)(void);
 void (*pm_power_off)(void);
 
+EXPORT_SYMBOL(pm_power_off);
+
 void machine_restart(char *command)
 {
 	if (_machine_restart)