ARM: hisi: Drop unused includes

of_platform.h is not needed, so drop it.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

Author: robherring

arch/arm/mach-hisi/hotplug.c

@@ -8,7 +8,6 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/of_address.h>
-#include <linux/of_platform.h>
 #include <asm/cacheflush.h>
 #include <asm/smp_plat.h>
 #include "core.h"