armv8: LS1043ARDB: Enable PPA in Secure boot defconfig

Enable PPA in secure boot by defining FSL_LS_PPA macro in its
defconfig file.
Signed-off-by: NVinitha Pillai <vinitha.pillai@nxp.com>
Signed-off-by: NSumit Garg <sumit.garg@nxp.com>
Reviewed-by: NYork Sun <york.sun@nxp.com>

configs/ls1043ardb_SECURE_BOOT_defconfig

@@ -3,6 +3,7 @@ CONFIG_TARGET_LS1043ARDB=y
 CONFIG_SECURE_BOOT=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
 CONFIG_FIT=y
+CONFIG_FSL_LS_PPA=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_BOOTDELAY=10