[ARM] 4001/1: S3C24XX: shorten reboot time

Cut down the time between requesting a reboot
and actually getting the reboot to happen by
a quarter.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/arch-s3c2410/system.h

@@ -71,7 +71,7 @@ arch_reset(char mode)
 
 	/* set the watchdog to go and reset... */
 	__raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
-		     S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON);
+		     S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
 
 	/* wait for reset to assert... */
 	mdelay(5000);