[gta02-core] ECN0032 (EMI and ESD protection for headset jack)

[Werner Almesberger]

Rene Harder wrote:
> Okay, as discussed on IRC we'll change R4305 and R4303 to 1 kOhm. (ECN0022?)

Maybe a new ECN ? It's the conversion of the MIC from asymmetrical
to symmetrical. At least conceptually, an important change.

- Werner