tplink-safeloader: add TP-Link EAP265 HD support

tplink-safeloader: add TP-Link EAP265 HD support

The FCC ID request for this device indicates that the hardware is
identical to the EAP245v3. Since FW 5.0.0, TP-Link provides unified
images for both devices.

Partial output of 'tplink-safeloader -i':
    [Software version]
    Version: 5.0.4
    Date: 2021-10-21
    Revision: 57494

    [Support list]
    SupportList:
    EAP245(TP-Link|UN|AC1750-D):3.0
    EAP265 HD(TP-Link|UN|AC1750-D):1.0

Link: https://fccid.io/TE7EAP265HD/Letter/6-Request-for-FCC-Change-ID-4823578.pdf
Signed-off-by: Sander Vanheule <sander@svanheule.net>