ARM: dts: rmobile: Force 1-bit bus width on Gen2 QSPI

U-Boot currently uses Gen2 QSPI in 1-bit mode, enforce it until
we can do better using the new SPI NOR framework.

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