PM / OPP: Export more symbols for module usage

Export cpufreq helpers in OPP to make the cpufreq-core0 and highbank-cpufreq
drivers loadable as modules.
Signed-off-by: NMark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: NNishanth Menon <nm@ti.com>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/base/power/opp.c

@@ -661,6 +661,7 @@ int opp_init_cpufreq_table(struct device *dev,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(opp_init_cpufreq_table);
 
 /**
  * opp_free_cpufreq_table() - free the cpufreq table
@@ -678,6 +679,7 @@ void opp_free_cpufreq_table(struct device *dev,
 	kfree(*table);
 	*table = NULL;
 }
+EXPORT_SYMBOL_GPL(opp_free_cpufreq_table);
 #endif		/* CONFIG_CPU_FREQ */
 
 /**
@@ -738,4 +740,5 @@ int of_init_opp_table(struct device *dev)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(of_init_opp_table);
 #endif