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

[Joakim Tjernlund]

>
> I am using 2.6.30 and I think it is fairly equal to yours.
> I am not using either property above so the linux i2c-mpc. driver falls back
> to fdr=0x31 and dfsr=0x10 and this works well. It is u-boot that isn't working.
> However, I have found a few driver bugs in the u-boot driver and fixing those
> makes the fsl-i2c.c driver work well again.

I just sent you two patches that addresses my problems, I hope you can have
a look.

The kernel driver should also be updated with the "wait for STOP on the bus"
patch.

  Jocke