T420 Bios Whitelist

Hello!!

Laptop: Lenovo Thinkpad T420, (Model: 4178-B8G)
BIOS version: Lenovo 83ET76WW (1.46, 7/5/2013

I would like to install below WLAN cards:
Intel Half Centrino Ultimate-n 6300 and /
Intel Dual Band Wireless-AC 7260 HMC

Please help me to remove whitelist.

Thanks for very much in advance,

Per