[PATCH -rt] ARM: compile fix for event tracing

[Kevin Hilman]

The cycles/usecs conversion macros should be dependent on
CONFIG_EVENT_TRACE instead of CONFIG_LATENCY_TIMING.

Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx>

--- a/include/asm-arm/timex.h
+++ b/include/asm-arm/timex.h
@@ -18,7 +18,7 @@ typedef unsigned long cycles_t;
 
 #ifndef mach_read_cycles
  #define mach_read_cycles() (0)
-#ifdef CONFIG_LATENCY_TIMING
+#ifdef CONFIG_EVENT_TRACE
  #define mach_cycles_to_usecs(d) (d)
  #define mach_usecs_to_cycles(d) (d)
 #endif
--
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