Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This flattens out the board directories in to individual mach groups,
we will use this for getting rid of unneeded directories, simplifying
the build system, and becoming more coherent with the refactored
arch/sh/include topology.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This follows the sparc changes a439fe51.

Most of the moving about was done with Sam's directions at:

http://marc.info/?l=linux-sh&m=121724823706062&w=2

with subsequent hacking and fixups entirely my fault.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds simple push-switch support for the RDBRP-1/RDBREVRP-1 debug
boards found on the R7780RP-1.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>