Solution: BPI-R4 & 5G module not recognized

Liujie shared a case to me, it was about 5G module not recongnized.

When you use fm350-gl / fm150 or other 5G module via USB mode.

If you turn off pcie2 in dts, then turn on pcie2 using pcie mode, your 5G module will cannot be recongnized.

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If someone meet the same problem, hope can help you.