at91sam9/at91cap: fix CONFIG_SYS_HZ to 1000

The timer has been rewrote with a precision at ~0,18%

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Tested-by: Sergey Lapin <slapin@ossfans.org>
Tested-by: Eric BENARD <ebenard@free.fr>
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index b6e2edf..e46c9d6 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -29,7 +29,7 @@
 
 /* ARM asynchronous clock */
 #define AT91_MAIN_CLOCK		18432000	/* 18.432 MHz crystal */
-#define CONFIG_SYS_HZ		1000000		/* 1us resolution */
+#define CONFIG_SYS_HZ		1000
 
 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/