fix: rename ad463x_spi_sdi in the XDC

The constraint file requires ad463x_spi_sdi[0] instead of
ad463x_spi_sdi. This commit fixes all the variations with
a single channel a single lane.

Signed-off-by: Carlos Souza <carlos.souza@analog.com>

Author: caosjr

projects/ad4630_fmc/zed/system_constr_1sdi_1ch.xdc

@@ -10,7 +10,7 @@
 set tsetup 5.6
 set thold 1.4
 
-set_property -dict {PACKAGE_PIN P17 IOSTANDARD LVCMOS25} [get_ports {ad463x_spi_sdi}]       ; ## H07  FMC_LPC_LA02_P
+set_property -dict {PACKAGE_PIN P17 IOSTANDARD LVCMOS25} [get_ports ad463x_spi_sdi[0]]       ; ## H07  FMC_LPC_LA02_P
 
-set_input_delay -clock [get_clocks ECHOSCLK_clk] -clock_fall -max  $tsetup [get_ports ad463x_spi_sdi]
-set_input_delay -clock [get_clocks ECHOSCLK_clk] -clock_fall -min  $thold  [get_ports ad463x_spi_sdi]
+set_input_delay -clock [get_clocks ECHOSCLK_clk] -clock_fall -max  $tsetup [get_ports ad463x_spi_sdi[0]]
+set_input_delay -clock [get_clocks ECHOSCLK_clk] -clock_fall -min  $thold  [get_ports ad463x_spi_sdi[0]]