drivers: watchdog: andes atcwdt200 remove soc.h

soc\riscv\andes_v5\ae350\soc.h was empty and deleted,so revise
 wdt_andes_atcwdt200.c to resolve
 'fatal error: soc.h: No such file or directory'.

Signed-off-by: cyliang tw <[email protected]>

Author: cyliangtw

drivers/watchdog/wdt_andes_atcwdt200.c

@@ -7,7 +7,6 @@
 #define DT_DRV_COMPAT andestech_atcwdt200
 
 #include <zephyr/kernel.h>
-#include <soc.h>
 #include <zephyr/drivers/watchdog.h>
 
 #define LOG_LEVEL CONFIG_WDT_LOG_LEVEL