ARM: dts: uniphier: Add missing reg properties for glue layer

The nodes for glue layers should include "reg" property.
Add the property according to the DT schema.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20230207023514.29783-3-hayashi.kunihiko@socionext.com


Signed-off-by: Arnd Bergmann <arnd@arndb.de>