Unfortunately, that WIFI module is unsupported for BSPs higher than 5.4.47. I suggest you use this BSP or try a workaround described on the following link:
Is wifi related to the configuration in uboot? I use LF_V202.04, ddr4 2g, 100% connection failure, but there are some small probability of uboot connection failure
I don't think the problem could be related to Uboot configuration. Are you using a custom board? If not, what is your EVK version? I would like to identify the WIFI module.
Unfortunately, that WIFI module is unsupported for BSPs higher than 5.4.47. I suggest you use this BSP or try a workaround described on the following link: