Bump this up to where it used to be.

Bump this up to where it used to be.

I need to investigate this a little closer, but it seems that in noisy
environments the NF load takes longer than 5 * DELAY(10) and this is
messing up future NF calibrations. (The background: NF calibrations
begin at the value programmed in after the load has completed, so
if this is never loaded in, the NF calibrations only ever start at
the currently calibrated NF value, rather than starting at something
high (say -50.)

More investigation about the effect on 11n RX and calibration results
are needed.

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