armv8: ls2080a: Update MAINTAINERS file

Update MAINTAINERS file for ls2080aqds and ls2080ardb platforms.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls2080ardb/MAINTAINERS b/board/freescale/ls2080ardb/MAINTAINERS
index 5562917..a20c003 100644
--- a/board/freescale/ls2080ardb/MAINTAINERS
+++ b/board/freescale/ls2080ardb/MAINTAINERS
@@ -1,5 +1,5 @@
 LS2080A BOARD
-M:	Prabhakar Kushwaha <prabhakar@freescale.com>
+M:	Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
 S:	Maintained
 F:	board/freescale/ls2080ardb/
 F:	board/freescale/ls2080a/ls2080ardb.c