MLK-21377 arm64: fsl-imx8qm-device.dtsi: Change i2c1_lvds0/1 compatible strings

Add "fsl,imx7ulp-lpi2c" to the compatible strings, as the i2c driver
has only got the compatible string for imx7ulp.

Signed-off-by: Liu Ying <victor.liu@nxp.com>