[MIPS] Au1000: Fix warning about unused variable.

arch/mips/au1000/common/time.c: In function `mips_timer_interrupt':
arch/mips/au1000/common/time.c:82: warning: unused variable `count'

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index 7313ef2..6768638 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -82,7 +82,6 @@
 void mips_timer_interrupt(void)
 {
 	int irq = 63;
-	unsigned long count;
 
 	irq_enter();
 	kstat_this_cpu.irqs[irq]++;