ARM: mcpm: provide an interface to set the SMP ops at run time

This is cleaner than exporting the mcpm_smp_ops structure.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Jon Medhurst <tixy@linaro.org>
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 3046e902..0f7b762 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -167,6 +167,8 @@
 int __init mcpm_sync_init(
 	void (*power_up_setup)(unsigned int affinity_level));
 
+void __init mcpm_smp_set_ops(void);
+
 #else
 
 /*