patches applied to powerpc.git

[Paul Mackerras]

Zang Roy-r61911 writes:

> 	I have submitted the "v2" version for mpc7448hpc2 board support in arch/powerpc/platforms/embedded6xx.
> 	I  have not got any suggestion, since I submitted the code.
> 	In this submission I have addressed all the issues brought up in the "v1" submission. 
> 	So could you help me merge the patches into your git tree ? If there is any comment about the code, please let me know.

I have taken 1, 2, and 4.  Ben H asked me to delay with patch 3/4
because it will conflict with changes he is making.  Also I would like
to see it done in a fashion which doesn't add two extra loads to
things like _mpic_ipi_read etc.

Paul.