Add initial support for Digi's ConnectCore 6 QuadPlus SBC.
The ccimx6qp platform has the QCA6564 chip instead of the
other Atheros chips and included the Atmel ECC508A cryptographic
chip.
https://jira.digi.com/browse/DEL-5082
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
Arturo Buzarra