[MIPS] cleanup WRPPMC include files

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/gt64120/wrppmc/irq.c

@@ -9,26 +9,13 @@
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */
-#include <linux/errno.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/bitops.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-#include <asm/irq_cpu.h>
+#include <linux/irq.h>
+
 #include <asm/gt64120.h>
+#include <asm/irq_cpu.h>
+#include <asm/mipsregs.h>
 
 asmlinkage void plat_irq_dispatch(void)
 {

arch/mips/gt64120/wrppmc/pci.c

@@ -8,9 +8,10 @@
  * for more details.
  */
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/kernel.h>
+
 #include <asm/gt64120.h>
 
 extern struct pci_ops gt64xxx_pci0_ops;

arch/mips/gt64120/wrppmc/reset.c

@@ -5,14 +5,10 @@
  *
  * Copyright (C) 1997 Ralf Baechle
  */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/system.h>
+#include <linux/kernel.h>
+
 #include <asm/cacheflush.h>
+#include <asm/mipsregs.h>
 
 void wrppmc_machine_restart(char *command)
 {

arch/mips/gt64120/wrppmc/time.c

@@ -11,18 +11,11 @@
  * Copyright (C) 2006, Wind River System Inc.
  */
 #include <linux/init.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/param.h>	/* for HZ */
-#include <linux/irq.h>
-#include <linux/timex.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/io.h>
-#include <asm/bootinfo.h>
 #include <asm/gt64120.h>
+#include <asm/time.h>
 
 #define WRPPMC_CPU_CLK_FREQ 40000000 /* 40MHZ */