This allows the use of PSCI calls to trusted firmware to initiate reset and poweroff events with CONFIG_PSCI_RESET and CONFIG_ARM_PSCI_FW. This is desirable, for example, if the target board has implemented a custom reset or poweroff procedure in EL3. Signed-off-by: Mathew McBride <matt@traverse.com.au> Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>