board: phytec: common: Add phyCORE-AM62Ax

Add the phyCORE-AM62Ax to our common board directory to
enable our SOM detection for this product.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
3 files changed