website: add digikey at86rf233 transceiver

Reported-by: Andrey Yurovsky <andrey@snupi.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
website: add digikey at86rf212b transceiver

Reported-by: Andrey Yurovsky <andrey@snupi.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>