ARM: bcm: tidy up a few includes

Clean up a few header file includes, eliminating a few that are not
really needed and putting in their place some that are.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
diff --git a/arch/arm/mach-bcm/kona.c b/arch/arm/mach-bcm/kona.c
index 60b5dd5..b319703 100644
--- a/arch/arm/mach-bcm/kona.c
+++ b/arch/arm/mach-bcm/kona.c
@@ -11,11 +11,12 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/of_platform.h>
+
+#include <linux/init.h>
+#include <linux/printk.h>
 #include <asm/hardware/cache-l2x0.h>
 
 #include "bcm_kona_smc.h"
-#include "kona.h"
 
 void __init kona_l2_cache_init(void)
 {