ARM: pxa: Drop unused includes

Several includes are not needed, so drop them.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230803-dt-header-cleanups-for-soc-v2-11-d8de2cc88bff@kernel.orgSigned-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-pxa/pxa-dt.c

@@ -5,13 +5,7 @@
  *  Copyright (C) 2012 Daniel Mack
  */
 
-#include <linux/irq.h>
-#include <linux/irqdomain.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
 #include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-#include "irqs.h"
 
 #include "generic.h"