clk: shmobile: Remove unneeded #include <linux/clkdev.h>

The CCF implementations for the various shmobile SoCs don't use clkdev
functionality, hence drop the inclusion of <linux/clkdev.h>.

Add the missing #include <linux/slab.h>, which was included implicitly
through <asm/clkdev.h> before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/drivers/clk/shmobile/clk-r8a73a4.c b/drivers/clk/shmobile/clk-r8a73a4.c
index 29b9a0b0..9326204 100644
--- a/drivers/clk/shmobile/clk-r8a73a4.c
+++ b/drivers/clk/shmobile/clk-r8a73a4.c
@@ -9,10 +9,10 @@
  */
 
 #include <linux/clk-provider.h>
-#include <linux/clkdev.h>
 #include <linux/clk/shmobile.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/spinlock.h>