ARM: dts: r9a06g032: Fix the NAND controller node

Add the missing power-domains property which is mandatory.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220429105229.368728-3-miquel.raynal@bootlin.com


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