clocksource: Use a plain u64 instead of cycle_t

There is no point in having an extra type for extra confusion. u64 is
unambiguous.

Conversion was done with the following coccinelle script:

@rem@
@@
-typedef u64 cycle_t;

@fix@
typedef cycle_t;
@@
-cycle_t
+u64

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>

drivers/clocksource/vt8500_timer.c

@@ -53,7 +53,7 @@
 
 static void __iomem *regbase;
 
-static cycle_t vt8500_timer_read(struct clocksource *cs)
+static u64 vt8500_timer_read(struct clocksource *cs)
 {
 	int loops = msecs_to_loops(10);
 	writel(3, regbase + TIMER_CTRL_VAL);
@@ -75,7 +75,7 @@ static int vt8500_timer_set_next_event(unsigned long cycles,
 				    struct clock_event_device *evt)
 {
 	int loops = msecs_to_loops(10);
-	cycle_t alarm = clocksource.read(&clocksource) + cycles;
+	u64 alarm = clocksource.read(&clocksource) + cycles;
 	while ((readl(regbase + TIMER_AS_VAL) & TIMER_MATCH_W_ACTIVE)
 						&& --loops)
 		cpu_relax();