clk: samsung: remove unnecessary inclusion of header files from clk.h

Let's remove unnecessary include of header files from clk.h and add
required one in clk.c

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
[s.nawrocki@samsung.com: dropped removal of '#include <linux/syscore_ops.h>']
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index 1b4cf3b..4bda540 100644
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c
@@ -11,7 +11,9 @@
  * clock framework for Samsung platforms.
 */
 
+#include <linux/of_address.h>
 #include <linux/syscore_ops.h>
+
 #include "clk.h"
 
 static LIST_HEAD(clock_reg_cache_list);
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index 101a43b..8acabe1 100644
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -13,12 +13,8 @@
 #ifndef __SAMSUNG_CLK_H
 #define __SAMSUNG_CLK_H
 
-#include <linux/clk.h>
 #include <linux/clkdev.h>
-#include <linux/io.h>
 #include <linux/clk-provider.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
 #include "clk-pll.h"
 
 /**