[MIPS] Replace board_timer_setup function pointer by plat_timer_setup.

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

---
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index cc5138c..377ae0d 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -51,7 +51,6 @@
 extern void au1x_time_init(void);
 extern void au1x_timer_setup(struct irqaction *irq);
 extern void au1xxx_time_init(void);
-extern void au1xxx_timer_setup(struct irqaction *irq);
 extern void set_cpuspec(void);
 
 void __init plat_mem_setup(void)
@@ -123,7 +122,6 @@
 	_machine_halt = au1000_halt;
 	pm_power_off = au1000_power_off;
 	board_time_init = au1xxx_time_init;
-	board_timer_setup = au1xxx_timer_setup;
 
 	/* IO/MEM resources. */
 	set_io_port_base(0);
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index 7e988b0..7fbea1b 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -383,7 +383,7 @@
 }
 #endif
 
-void __init au1xxx_timer_setup(struct irqaction *irq)
+void __init plat_timer_setup(struct irqaction *irq)
 {
 	unsigned int est_freq;