powerpc: Add cpu family documentation
authorMichael Ellerman <mpe@ellerman.id.au>
Mon, 26 May 2014 11:44:25 +0000 (21:44 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 5 Jun 2014 03:20:01 +0000 (13:20 +1000)
This patch adds some documentation on the different cpu families
supported by arch/powerpc.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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