ARM: imx: Switch to sched_clock_register()

The 32 bit sched_clock interface now supports 64 bits. Upgrade to
the 64 bit function to allow us to remove the 32 bit registration
interface.

Cc: Sascha Hauer <kernel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>

arch/arm/mach-imx/time.c

@@ -111,7 +111,7 @@ static void gpt_irq_acknowledge(void)
 
 static void __iomem *sched_clock_reg;
 
-static u32 notrace mxc_read_sched_clock(void)
+static u64 notrace mxc_read_sched_clock(void)
 {
 	return sched_clock_reg ? __raw_readl(sched_clock_reg) : 0;
 }
@@ -123,7 +123,7 @@ static int __init mxc_clocksource_init(struct clk *timer_clk)
 
 	sched_clock_reg = reg;
 
-	setup_sched_clock(mxc_read_sched_clock, 32, c);
+	sched_clock_register(mxc_read_sched_clock, 32, c);
 	return clocksource_mmio_init(reg, "mxc_timer1", c, 200, 32,
 			clocksource_mmio_readl_up);
 }