ARM: IXP: Remove actux1 board

The board is unmaintained, just like the rest of the IXP.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Michael Schwingen <michael@schwingen.org>
Cc: Tom Rini <trini@ti.com>
7 files changed