R12A_MAX_NRXCHAINS
uint32_t rf_vals[nitems(r12a_iq_rf_regs) * R12A_MAX_NRXCHAINS];
KASSERT(sc->nrxchains <= R12A_MAX_NRXCHAINS,
("nrxchains > %d (%d)\n", R12A_MAX_NRXCHAINS, sc->nrxchains));