ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index 05cb00c..7c01512 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -8,26 +8,16 @@
  * published by the Free Software Foundation.
 */
 
-#include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/cpuidle.h>
 #include <linux/cpu_pm.h>
-#include <linux/io.h>
 #include <linux/export.h>
 #include <linux/module.h>
-#include <linux/time.h>
 #include <linux/platform_device.h>
 
 #include <asm/proc-fns.h>
 #include <asm/suspend.h>
-#include <asm/unified.h>
 #include <asm/cpuidle.h>
 
-#include <plat/cpu.h>
-#include <plat/pm.h>
-
-#include <mach/map.h>
-
 static void (*exynos_enter_aftr)(void);
 
 static int idle_finisher(unsigned long flags)