Make the dqs/dqy values available for printing in other functions, so
we can determine what values were chosen at startup.
Signed-off-by: Sean Cross <xobs@kosagi.com>
We used to while(1) wait for EMI to calibrate, but sometimes EMI never
returns from calibration. Break if it hasn't finished after 256 tries.
Signed-off-by: Sean Cross <xobs@kosagi.com>