ipq6018: Add BDF for TP-LINK EAP625-Outdoor HD V1

ipq6018: Add BDF for TP-LINK EAP625-Outdoor HD V1

Add the BDF for TP-LINK EAP625-Outdoor HD V1.
This BDF seems to have issues with regdb, as reported by the driver,
and defaults to extremely conservative settings. The 2.4GHz band is
usable, but the 5GHz will need additional work.

    ath11k c000000.wifi: failed to receive default regd during init

     $ iw reg get
    phy#0 (self-managed)
    country 00: DFS-UNSET
            (2402 - 2472 @ 40), (N/A, 20), (N/A)
            (5140 - 5360 @ 80), (N/A, 30), (N/A), PASSIVE-SCAN
            (5715 - 5860 @ 80), (N/A, 30), (N/A), PASSIVE-SCAN

Signed-off-by: Alexandru Gagniuc <[email protected]>
Link: https://github.com/openwrt/firmware_qca-wireless/pull/87
Signed-off-by: Robert Marko <[email protected]>