RSK+ platforms have quite a few characteristics in common, so roll them
together in to a shiny new RSK mach-type.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This patch adds support for the RTE RSK+ 7201 board.
Signed-off-by: NPeter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>