[MIPS] Fix the installation condition of MIPS clocksource

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 9f85d4c..b45a709 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -157,6 +157,6 @@
 {
 	plat_time_init();
 
-	if (mips_clockevent_init() || !cpu_has_mfc0_count_bug())
+	if (!mips_clockevent_init() || !cpu_has_mfc0_count_bug())
 		init_mips_clocksource();
 }