esipa_asn1_codec: add special handling for ProvideEimPackageResultResponse
In SGP.32 V.1.2 ProvideEimPackageResultResponse is defined as a CHOICE.
This means that this struct now also requires special handling.
Change-Id: I859a175cc28a18ea9334d9b2cf233294fdc95b76
Related: SYS#8100
