[U-Boot] fsl_i2c: increase I2C timeout values and make them configurable

[Timur Tabi]

Joakim Tjernlund wrote:

> This will generate the same divisor tables as AN2919, tables 6-9.
> I do not take condition 2 into consideration as it not clear how to
> deal with it and it does not seem to have an significant impact.
> 
> What do you think?

I really don't have time to deal with it right now.  Sorry.


-- 
Timur Tabi
Linux kernel developer at Freescale