arm64: dts: lx2162a-clearfog: use rev2 SoC dtsi

arm64: dts: lx2162a-clearfog: use rev2 SoC dtsi

LX2160A and LX2162A are different packages of the same silicon. While
LX2160A had two revisions, LX2162A was released later based on LX2160A
revision 2.

Commit a8fe6c8dfc40 ("arm64: dts: fsl-lx2160a: add rev2 support") has added
a new soc dtsi for revision 2.

Update LX2162A Clearfog description to use revision 2 dtsi.

Fixes: 5093b190f9ce ("arm64: dts: freescale: Add support for LX2162 SoM & Clearfog Board") # no-stable
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>