[MIPS] Replace board_timer_setup function pointer by plat_timer_setup.

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

---

arch/mips/kernel/time.c

@@ -566,14 +566,13 @@ asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs)
  * 2) setup xtime based on rtc_mips_get_time().
  * 3) choose a appropriate gettimeoffset routine.
  * 4) calculate a couple of cached variables for later usage
- * 5) board_timer_setup() -
+ * 5) plat_timer_setup() -
  *	a) (optional) over-write any choices made above by time_init().
  *	b) machine specific code should setup the timer irqaction.
  *	c) enable the timer interrupt
  */
 
 void (*board_time_init)(void);
-void (*board_timer_setup)(struct irqaction *irq);
 
 unsigned int mips_hpt_frequency;
 
@@ -718,7 +717,7 @@ void __init time_init(void)
 	 * to be NULL function so that we are sure the high-level code
 	 * is not invoked accidentally.
 	 */
-	board_timer_setup(&timer_irqaction);
+	plat_timer_setup(&timer_irqaction);
 }
 
 #define FEBRUARY		2