armv8: ls2080ardb: Add LS2081ARDB board support

LS2081ARDB board is similar to LS2080ARDB board with few differences
 It hosts LS2081A SoC
 Default boot source is QSPI-boot
 It does not have IFC interface
 RTC and QSPI flash device are different
 It provides QIXIS access via I2C

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Signed-off-by: Santan Kumar <santan.kumar@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls2080ardb/MAINTAINERS b/board/freescale/ls2080ardb/MAINTAINERS
index 3175ba3..91f13ea 100644
--- a/board/freescale/ls2080ardb/MAINTAINERS
+++ b/board/freescale/ls2080ardb/MAINTAINERS
@@ -12,6 +12,11 @@
 S:	Maintained
 F:	configs/ls2088ardb_qspi_defconfig
 
+LS2081ARDB BOARD
+M:	Priyanka Jain <priyanka.jain@nxp.com>
+S:	Maintained
+F:	configs/ls2081ardb_defconfig
+
 LS2080A_SECURE_BOOT BOARD
 M:	Saksham Jain <saksham.jain@nxp.freescale.com>
 S:	Maintained