iwm_phy_db_get_section
entry = iwm_phy_db_get_section(sc, type, chg_id);
entry = iwm_phy_db_get_section(sc, type, ch_group_id);
entry = iwm_phy_db_get_section(sc, type, i);
struct iwm_phy_db_entry *iwm_phy_db_get_section(struct iwm_softc *, uint16_t,