ARM: rmobile: Add support R8A7795

Renesas R8A7795 is CPU with Cortex-a57.
This supports the basic register definition and GPIO and
framework of PFC.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
7 files changed