Changes

pySim.ts_51_011.EF_SMSP: Properly handle odd-length ScAddr / TpAddr

As the input phone number ("address") might be of an odd length of
digits, let's use PaddedBcdAdapter to fix two problems:

1) strip any potential trailing f in decoding
2) fix truncation of last digit during encoding

Change-Id: I1e9865e172bc29b8a31c281106d903934e81c686
Depends: pyosmocom Ib5afb5ab5c2bc9b519dc92818fc6974f7eecba16