downgraded lofar2_unb2b_adc design to Q18

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_2.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_3.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_4.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_5.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_6.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_7.ip

...lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_common_mm_8.ip

.../qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_avs_eth_0.ip

...s/ip/qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_cpu_0.ip

...p/qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_jesd204b.ip

...sys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_jtag_uart_0.ip

...ys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_nios2_gen2_0.ip

...ys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_nios2_gen2_1.ip

...ip/qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_pio_pps.ip

...ip/qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_pio_wdi.ip

...ofar2_unb2b_adc/qsys_lofar2_unb2b_adc_ram_aduh_monitor.ip

..._unb2b_adc/qsys_lofar2_unb2b_adc_ram_diag_data_buf_bsn.ip

...unb2b_adc/qsys_lofar2_unb2b_adc_ram_diag_data_buf_jesd.ip

...b2b_adc/qsys_lofar2_unb2b_adc_ram_diag_data_buffer_bsn.ip

.../ip/qsys_lofar2_unb2b_adc/qsys_lofar2_unb2b_adc_ram_wg.ip