ARM: dts: r9a06g032: Add the watchdog nodes

This SoC includes 2 watchdog controllers (one per A7 core).

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Link: https://lore.kernel.org/r/20220221095032.95054-4-jjhiblot@traphandler.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>