arm: ls1028a: use the new flexspi driver

Also align the fspi node with the kernel one.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
1 file changed