ad469x/zed: Fix sysid build params

projects/ad469x_evb/zed/system_bd.tcl

@@ -6,15 +6,6 @@
 source $ad_hdl_dir/projects/common/zed/zed_system_bd.tcl
 source $ad_hdl_dir/projects/scripts/adi_pd.tcl
 
-# specify the spi reference clock frequency in MHz
-set spi_clk_ref_frequency 160
-
-# specify ADC resolution -- supported resolutions 16 bits
-set adc_resolution 16
-
-# specify ADC sampling rate in samples/seconds
-set adc_sampling_rate 1000000
-
 adi_project_files ad469x_evb_zed [list \
 	"../../../library/common/ad_edge_detect.v" \
 	"../../../library/util_cdc/sync_bits.v" \
@@ -27,8 +18,6 @@ ad_ip_parameter axi_sysid_0 CONFIG.ROM_ADDR_BITS 9
 ad_ip_parameter rom_sys_0 CONFIG.PATH_TO_FILE "$mem_init_sys_file_path/mem_init_sys.txt"
 ad_ip_parameter rom_sys_0 CONFIG.ROM_ADDR_BITS 9
 
-set sys_cstring "SPI_CLK_FREQ=$spi_clk_ref_frequency\
-ADC_RESOLUTION=$adc_resolution\
-SAMPLING_RATE=$adc_sampling_rate"
+set sys_cstring "SPI_4WIRE=$ad_project_params(SPI_4WIRE)"
 
 sysid_gen_sys_init_file $sys_cstring