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>

include/kvm/arm_arch_timer.h

@@ -25,13 +25,13 @@
 
 struct arch_timer_kvm {
 	/* Virtual offset */
-	cycle_t			cntvoff;
+	u64			cntvoff;
 };
 
 struct arch_timer_cpu {
 	/* Registers: control register, timer value */
 	u32				cntv_ctl;	/* Saved/restored */
-	cycle_t				cntv_cval;	/* Saved/restored */
+	u64				cntv_cval;	/* Saved/restored */
 
 	/*
 	 * Anything that is not used directly from assembly code goes