[PATCH]IBM OCP I2C

[andrew may]

Here is a patch that provides a new iic_xfer function. It is
inside of a #if 1 and all the code it should replace is in the
#else clause.

I have not been gotten to test the stuff from user space and I have
not checked the return values of the function yet. I don't know
how I can test failure conditions on the bus itself either.

I have been sucked into doing some other stuff recently but seeing
how others are starting to play with this now I though I should get
this out there again.

There is also a fix in iic_ibmocp_init for some unused/unitilized
vars.

I also removed some unneeded #if MODULE's.

I did not pull out my clk div stuff so that part of the patch
can be dropped.

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