ARM: dts: imx6dl-yapp4: Use correct pseudo PHY address for the switch

The switch is accessible through pseudo PHY which is located at 0x10.

Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Fixes: 87489ec3

 ("ARM: dts: imx: Add Y Soft IOTA Draco, Hydra and Ursa boards")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>