arm: Remove kzm9g board

This board is behind on several mandatory DM migrations and is missing
OF_CONTROL support that makes other conversions impossible. Remove it.

Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Tom Rini <trini@konsulko.com>
7 files changed