hw/arm: Add WDT to Allwinner-H3 and Orangepi-PC

This patch adds WDT to Allwinner-H3 and Orangepi-PC.
WDT is added as an overlay to the Timer module memory area.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20230326202256.22980-4-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 338dabc..91636ab 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -337,6 +337,7 @@
     select ALLWINNER_A10_PIT
     select ALLWINNER_SUN8I_EMAC
     select ALLWINNER_I2C
+    select ALLWINNER_WDT
     select SERIAL
     select ARM_TIMER
     select ARM_GIC