ipq5018: use correct board for GL-iNet B3000 IPQ5018 radio

This is created using the real device board file (bdwlan.b23) instead of the generic
board file (bdwlan.bin) present in vendor firmware.

$ cat vendor/vendor_dmesg.txt  | grep bdwlan
[   34.131533] cnss[2]: INFO: Downloading BDF: IPQ5018/bdwlan.b23, size: 131072
[   34.721213] cnss[42]: INFO: Downloading BDF: qcn6122/bdwlan.b60, size: 131072
Link: #116

Signed-off-by: Robert Marko <robimarko@gmail.com>

Author: psyke83