ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism

This commit enables i2c recovery, supported by the i2c core subsystem.
It defines the required GPIOs for SDA and SCL lines.

Signed-off-by: Jose Alarcon <jose.alarcon@ge.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>