uboot-phytec

arm: rmobile: r8a7791: Add support ES2 revision

There is ES2 is a new revision to R8A7791.
This adds support this revision.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>