armv8: LS1088A_QSPI: Add secure boot defconfigs for QSPI boot.

Add the secure boot defconfigs for QSPI boot on LS1088ARDB
and LS1088AQDS platforms.

Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Vinitha Pillai-B57223 <vinitha.pillai@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1088a/MAINTAINERS b/board/freescale/ls1088a/MAINTAINERS
index b3d5c38..de3961d 100644
--- a/board/freescale/ls1088a/MAINTAINERS
+++ b/board/freescale/ls1088a/MAINTAINERS
@@ -15,3 +15,15 @@
 F:	include/configs/ls1088aqds.h
 F:	configs/ls1088aqds_qspi_defconfig
 F:	configs/ls1088aqds_sdcard_qspi_defconfig
+
+LS1088AQDS_QSPI_SECURE_BOOT BOARD
+M:	Udit Agarwal <udit.agarwal@nxp.com>
+M:	Vinitha Pillai-B57223 <vinitha.pillai@nxp.com>
+S:	Maintained
+F:	configs/ls1088aqds_qspi_SECURE_BOOT_defconfig
+
+LS1088ARDB_QSPI_SECURE_BOOT BOARD
+M:	Udit Agarwal <udit.agarwal@nxp.com>
+M:	Vinitha Pillai-B57223 <vinitha.pillai@nxp.com>
+S:	Maintained
+F:	configs/ls1088ardb_qspi_SECURE_BOOT_defconfig