ARM: versatile: convert to common timer code

Convert versatile to use the commmon timer code.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/include/configs/versatile.h b/include/configs/versatile.h
index 36daeb3..10738ac 100644
--- a/include/configs/versatile.h
+++ b/include/configs/versatile.h
@@ -25,12 +25,11 @@
 
 #define CONFIG_SYS_MEMTEST_START	0x100000
 #define CONFIG_SYS_MEMTEST_END		0x10000000
-#define CONFIG_SYS_HZ			(1000000 / 256)
-#define CONFIG_SYS_TIMERBASE		0x101E2000	/* Timer 0 and 1 base */
 
-#define CONFIG_SYS_TIMER_INTERVAL	10000
-#define CONFIG_SYS_TIMER_RELOAD		(CONFIG_SYS_TIMER_INTERVAL >> 4)
-#define CONFIG_SYS_TIMER_CTRL		0x84		/* Enable, Clock / 16 */
+#define CONFIG_SYS_TIMERBASE		0x101E2000	/* Timer 0 and 1 base */
+#define CONFIG_SYS_TIMER_RATE		(1000000 / 256)
+#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMERBASE + 0x4)
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
 
 /*
  * control registers