clk: nomadik: Remove clk.h and clkdev.h includes

Clock provider drivers generally shouldn't include clk.h because
it's the consumer API. Remove the include here because this is a
provider driver. This driver also includes clkdev.h even though
it isn't used, so drop it too and add slab.h to make sure
everything still compiles.
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk-nomadik.c

@@ -8,8 +8,7 @@
 #define pr_fmt(fmt) "Nomadik SRC clocks: " fmt
 
 #include <linux/bitops.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
+#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/clk-provider.h>