Add the new SAMA5D2 ICP (Industrial Connectivity Board)
with linux4sam_2020.10 components.
Update README file with new defconfigs.
https://www.linux4sam.org/bin/view/Linux4SAM/Sama5d2IcpMainPage
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
