PM / Suspend: Export suspend_set_ops, suspend_valid_only_mem

Some platforms wish to implement their PM core suspend code as
modules.  To do so, these functions need to be exported to modules.

[rjw: Replaced EXPORT_SYMBOL with EXPORT_SYMBOL_GPL]
Reported-by: NJean Pihet <j-pihet@ti.com>
Signed-off-by: NKevin Hilman <khilman@ti.com>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>

kernel/power/suspend.c

@@ -44,6 +44,7 @@ void suspend_set_ops(const struct platform_suspend_ops *ops)
 	suspend_ops = ops;
 	mutex_unlock(&pm_mutex);
 }
+EXPORT_SYMBOL_GPL(suspend_set_ops);
 
 bool valid_state(suspend_state_t state)
 {
@@ -65,6 +66,7 @@ int suspend_valid_only_mem(suspend_state_t state)
 {
 	return state == PM_SUSPEND_MEM;
 }
+EXPORT_SYMBOL_GPL(suspend_valid_only_mem);
 
 static int suspend_test(int level)
 {