Fix type0_pdcch_ss_mux_pattern for FR2
Fix type0_pdcch_ss_mux_pattern for FR2, for example: For the case index_4msb = 0, mux_pattern should be 1, and it was not previously assumed by the following code:
if (index_4msb && 0x03) {
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;