arm: rmobile: Coordinate the common part of the header file of r8a7790 and r8a7791

Header files of R8A7790 and R8A7791 have common part of many.
This coordinates as rcar-base.h.

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