arm: dts: ls1028a: Add FSPI node properties

Align flexspi node properties with linux device-tree properties
Tested on LS1028A-RDB

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2 files changed