configs: rzg2_beacon: Realign ENV location and offset

The ENV size and offset were changed to different
values in Beacon's downstream release.  Change them to the
same values as the downstream for consistent behavior.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
1 file changed