thermal/drivers/cpufreq_cooling: Replace module.h with export.h

cpufreq_cooling cannot be modular, remove the unnecessary module.h
include and replace with export.h to handle EXPORT_SYMBOL family of
macros.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/7a439e41e91d8bc5ff99207f99723fcf04ca36eb.1589199124.git.amit.kucheria@linaro.org

drivers/thermal/cpufreq_cooling.c

@@ -10,12 +10,12 @@
  *		Viresh Kumar <viresh.kumar@linaro.org>
  *
  */
-#include <linux/module.h>
 #include <linux/cpu.h>
 #include <linux/cpufreq.h>
 #include <linux/cpu_cooling.h>
 #include <linux/energy_model.h>
 #include <linux/err.h>
+#include <linux/export.h>
 #include <linux/idr.h>
 #include <linux/pm_opp.h>
 #include <linux/pm_qos.h>