fix(rcar3): update Draak and Eagle board IDs

The Draak board ID is 7, Eagle is 3, update them to match
HW documentation. Drop the U suffix from Ebisu board ID.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: Idd191614a6f1f8dbbc13b8e0bc1f089090f9d20b
1 file changed