K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2015-08-22T05:50:18.628746Z
K 7
svn:log
V 623
Create a RouterBoard platform and use it to create a flash map

Summary:
The RouterBoard uses a predefined partition map which doesn't exist in the fdt.
This change allows overriding the fdt slicer with a custom slicer, and uses this
custom slicer to define the flash map on the RouterBoard RB800.
D3305 converts the mpc85xx platform into a base class, so that systems based on
the mpc85xx platform can add their own overrides.  This change builds on D3305,
and creates a RouterBoard (RB800) platform to initialize the slicer override.

Reviewed By: nwhitehorn, imp
Differential Revision: https://reviews.freebsd.org/D3345

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