fsl-layerscape: do not use layerscape EFI reset if PSCI used
If the secure world reset handlers are used (via CONFIG_PSCI_RESET),
then do not use the layerscape-specific implementation.
Signed-off-by: Mathew McBride <matt@traverse.com.au>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>