[MIPS] Nuke redeclarations of board_timer_setup.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/ite-boards/generic/it8172_setup.c

@@ -29,6 +29,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
+#include <linux/irq.h>
 #include <linux/serial_reg.h>
 #include <linux/major.h>
 #include <linux/kdev_t.h>
@@ -59,7 +60,6 @@ extern void it8172_halt(void);
 extern void it8172_power_off(void);
 
 extern void (*board_time_init)(void);
-extern void (*board_timer_setup)(struct irqaction *irq);
 extern void it8172_time_init(void);
 extern void it8172_timer_setup(struct irqaction *irq);
 

arch/mips/philips/pnx8550/common/setup.c

@@ -20,6 +20,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
+#include <linux/irq.h>
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
@@ -50,7 +51,6 @@ extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 extern void (*board_time_init)(void);
 extern void pnx8550_time_init(void);
-extern void (*board_timer_setup)(struct irqaction *irq);
 extern void pnx8550_timer_setup(struct irqaction *irq);
 extern void rs_kgdb_hook(int tty_no);
 extern void prom_printf(char *fmt, ...);