bsc: TC_ho_int: verify TSC in HandoverCommand

For intra-BSC handovers, also verify the correct Training Sequence Code
in the RR Handover Command (not only in the Channel Activation as added
in previous patch).

Related: SYS#4895 OS#5244
Related: Iae20df4387c3d75752301bd5daeeea7508966393 (osmo-bsc)
Change-Id: I32e3553581eb17812082f1f2ee96cc978e8db668
2 files changed