ARM: berlin: Drop unused includes

Several includes are not needed, so drop them.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://lore.kernel.org/r/20230803-dt-header-cleanups-for-soc-v2-4-d8de2cc88bff@kernel.orgSigned-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-berlin/berlin.c

@@ -8,11 +8,6 @@
  *  (c) Marvell International Ltd.
  */
 
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/of_platform.h>
-#include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/arch.h>
 
 static const char * const berlin_dt_compat[] = {