ls1046ardb_qspi*: Enable RAMBOOT_PBL

Based on include/configs/ls1046ardb.h it seems that CONFIG_RAMBOOT_PBL
should have been enabled, but was not.  Enable and migrate the values to
Kconfig.

Cc: Mingkai Hu <mingkai.hu@nxp.com>
Cc: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
index 5e7ccc5..1609b95 100644
--- a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
+++ b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
@@ -16,6 +16,9 @@
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
+CONFIG_RAMBOOT_PBL=y
+CONFIG_SYS_FSL_PBL_PBI="board/freescale/ls1046ardb/ls1046ardb_qspi_pbi.cfg"
+CONFIG_SYS_FSL_PBL_RCW="board/freescale/ls1046ardb/ls1046ardb_rcw_qspi.cfg"
 CONFIG_QSPI_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_USE_BOOTARGS=y