hw/watchdog/wdt_aspeed: Remove unused 'hw/misc/aspeed_scu.h' header

Aspeed watchdog doesn't use anything from the System Control Unit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/watchdog/wdt_aspeed.c

@@ -14,7 +14,6 @@
 #include "qemu/module.h"
 #include "qemu/timer.h"
 #include "sysemu/watchdog.h"
-#include "hw/misc/aspeed_scu.h"
 #include "hw/qdev-properties.h"
 #include "hw/sysbus.h"
 #include "hw/watchdog/wdt_aspeed.h"