[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/jazz/setup.c b/arch/mips/jazz/setup.c
index 385413e..487a9ea 100644
--- a/arch/mips/jazz/setup.c
+++ b/arch/mips/jazz/setup.c
@@ -37,7 +37,7 @@
 extern void jazz_machine_halt(void);
 extern void jazz_machine_power_off(void);
 
-static void __init jazz_time_init(struct irqaction *irq)
+void __init plat_time_init(struct irqaction *irq)
 {
 	/* set the clock to 100 Hz */
 	r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9);
@@ -75,7 +75,6 @@
 	for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
 		request_resource(&ioport_resource, jazz_io_resources + i);
 
-        board_timer_setup = jazz_time_init;
 	/* The RTC is outside the port address space */
 
 	_machine_restart = jazz_machine_restart;