[PATCH 0/3]: Sparc OF I2C support v2.

Ok, I've integrated the feedback I got from various reviewers and for
now I'm going to handle the sparc vs. powerpc aspects with a helper
asm/of_i2c.h header file that implements the address fetching.

I think for the time being this is the best solution.  If the
semantics converge, we can merge the logic back into the generic code.

Signed-off-by: David S. Miller <davem@davemloft.net>