ARM: dts: Turn ULCB into Multi-DTB config

Bundle DTBs for R8A7795, R8A7796 ULCB variants into single U-Boot
build and let U-Boot choose between them based on the CPU model.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
3 files changed