arm: dts: fsl-ls1088a: move I2C nodes under "soc" and syncronize with Linux

arm: dts: fsl-ls1088a: move I2C nodes under "soc" and syncronize with Linux

U-Boot's definition for the I2C controllers did not contain any
clock information. This resulted in the I2C not functioning when
the U-Boot control FDT was passed to Linux.

Signed-off-by: Mathew McBride <matt@traverse.com.au>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com> # on LS1088A-RDB