arm: rmobile: gose: Add Ethernet support

Gose board has one ether port, this works using sh-ether driver.
This adds GPIO settings and driver settings in order to use the sh-ether.

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