mips: convert to clocksource_register_hz/khz

This converts the mips clocksources to use clocksource_register_hz/khz

CC: Ralf Baechle <ralf@linux-mips.org>
CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 0b73773..f0ab92a 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -51,8 +51,7 @@
 {
 	struct txx9_tmr_reg __iomem *tmrptr;
 
-	clocksource_set_clock(&txx9_clocksource.cs, TIMER_CLK(imbusclk));
-	clocksource_register(&txx9_clocksource.cs);
+	clocksource_register_hz(&txx9_clocksource.cs, TIMER_CLK(imbusclk));
 
 	tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg));
 	__raw_writel(TCR_BASE, &tmrptr->tcr);