ARM: nspire: Drop unused includes

Several includes are not needed, so drop them. io.h was implicitly included
and is needed.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230803-dt-header-cleanups-for-soc-v2-10-d8de2cc88bff@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: robherring

arch/arm/mach-nspire/nspire.c

@@ -5,17 +5,10 @@
  *	Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
  */
 #include <linux/init.h>
-#include <linux/of_irq.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/irqchip.h>
-#include <linux/irqchip/arm-vic.h>
-#include <linux/clkdev.h>
-#include <linux/amba/bus.h>
+#include <linux/io.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
-#include <asm/mach/map.h>
 
 #include "mmio.h"