ARM: dts: rmobile: Sync Gen3 DTs with Linux 4.19.6

Synchronize DTs with mainline Linux 4.19.6 ,
commit 96db90800c06d3fe3fa08eb6222fe201286bb778

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
V2: Rebase on u-boot/master
18 files changed