ARM: rmobile: Enable RPC QSPI on R8A77970 V3M Eagle

Enable the RPC QSPI driver on R8A77970 V3M Eagle and configure
the environment layout to match that used by old U-Boot.

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