[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/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c
index 9fdec74..7213c39 100644
--- a/arch/mips/mips-boards/generic/reset.c
+++ b/arch/mips/mips-boards/generic/reset.c
@@ -23,6 +23,7 @@
  *
  */
 #include <linux/config.h>
+#include <linux/pm.h>
 
 #include <asm/io.h>
 #include <asm/reboot.h>
@@ -65,9 +66,9 @@
 	_machine_restart = mips_machine_restart;
 	_machine_halt = mips_machine_halt;
 #if defined(CONFIG_MIPS_ATLAS)
-	_machine_power_off = atlas_machine_power_off;
+	pm_power_off = atlas_machine_power_off;
 #endif
 #if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD)
-	_machine_power_off = mips_machine_halt;
+	pm_power_off = mips_machine_halt;
 #endif
 }