wrs_dump_shmem: add info about the installed low-jitter daughter board
Add info to wrs_dump_shmem about the installed low-jitter daughter board.
Example output:
SoftPll.lj_periph_id: SyncTech v1.5(7)
SoftPll.lj_osc_freq_type: WRS LJ INT(7)
SoftPll.lj_wrs_type: SyncTech FL(2)