ARM: pxa: Fix CONFIG_SYS_HZ on PXA

The PXA incorrectly uses CONFIG_SYS_HZ, which should be 1000 across
U-Boot. Fix this.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
diff --git a/include/configs/zipitz2.h b/include/configs/zipitz2.h
index 52a745e..904f3b0 100644
--- a/include/configs/zipitz2.h
+++ b/include/configs/zipitz2.h
@@ -139,7 +139,7 @@
  * Clock Configuration
  */
 #undef	CONFIG_SYS_CLKS_IN_HZ
-#define	CONFIG_SYS_HZ			3250000		/* Timer @ 3250000 Hz */
+#define	CONFIG_SYS_HZ			1000
 #define CONFIG_SYS_CPUSPEED		0x190		/* standard setting for 312MHz; L=16, N=1.5, A=0, SDCLK!=SystemBus */
 
 /*
@@ -186,10 +186,10 @@
 
 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
 
-#define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ)
-#define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ)
-#define CONFIG_SYS_FLASH_LOCK_TOUT	(2*CONFIG_SYS_HZ)
-#define CONFIG_SYS_FLASH_UNLOCK_TOUT	(2*CONFIG_SYS_HZ)
+#define CONFIG_SYS_FLASH_ERASE_TOUT	240000
+#define CONFIG_SYS_FLASH_WRITE_TOUT	240000
+#define CONFIG_SYS_FLASH_LOCK_TOUT	240000
+#define CONFIG_SYS_FLASH_UNLOCK_TOUT	240000
 #define CONFIG_SYS_FLASH_PROTECTION
 
 /*