Enable the kernel config of rockchip wdt for watchdog functions

Signed-off-by: yi-hsin_hung <yi-hsin_hung@asus.com>
Change-Id: Ie85017204c81652398cbe81ade5bf2367e7a21f3

Author: yihsin-hung

arch/arm/configs/rockchip_linux_defconfig

@@ -517,6 +517,9 @@ CONFIG_THERMAL=y
 CONFIG_CPU_THERMAL=y
 CONFIG_DEVFREQ_THERMAL=y
 CONFIG_ROCKCHIP_THERMAL=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_DW_WATCHDOG=y
 CONFIG_MFD_CROS_EC=y
 CONFIG_MFD_CROS_EC_SPI=y
 CONFIG_MFD_RK808=y