board: freescale: p2041rdb: Add MAINTAINER

Add "Priyanka Jain <priyanka.jain@nxp.com>" as
MAINTAINER for p2041rdb board.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

board/freescale/p2041rdb/MAINTAINERS

 P2041RDB BOARD
-#M:	-
+M:	Priyanka Jain <priyanka.jain@nxp.com>
 S:	Maintained
 F:	board/freescale/p2041rdb/
 F:	include/configs/P2041RDB.h