armv8: ls1046ardb: Enable loading PPA during SPL stage for SD boot

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls1046ardb_sdcard_defconfig b/configs/ls1046ardb_sdcard_defconfig
index 8dd183c..da8c5b8 100644
--- a/configs/ls1046ardb_sdcard_defconfig
+++ b/configs/ls1046ardb_sdcard_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1046ARDB=y
 CONFIG_FSL_LS_PPA=y
+CONFIG_SPL_FSL_LS_PPA=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1046a-rdb"
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y