dt-bindings: i2c: amlogic: Add compatible for T7 SOC

Add the T7 SOC compatible which fallback to AXG compatible.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

[ upstream commit: 9a937ca22741eebe2bf10b18657b8b9aed9c009b ]