[MIPS] Rename _machine_power_off to pm_power_off so the kernel builds again.
    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 08c8c85..eb155c0 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -33,6 +33,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/pm.h>
 
 #include <asm/cpu.h>
 #include <asm/bootinfo.h>
@@ -125,7 +126,7 @@
 #endif
 	_machine_restart = au1000_restart;
 	_machine_halt = au1000_halt;
-	_machine_power_off = au1000_power_off;
+	pm_power_off = au1000_power_off;
 	board_time_init = au1xxx_time_init;
 	board_timer_setup = au1xxx_timer_setup;