imx8mq_evk: Add myself as a co-maintainer

I would like to help maintaining this board.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/freescale/imx8mq_evk/MAINTAINERS b/board/freescale/imx8mq_evk/MAINTAINERS
index a2e320c..a00bb4e 100644
--- a/board/freescale/imx8mq_evk/MAINTAINERS
+++ b/board/freescale/imx8mq_evk/MAINTAINERS
@@ -1,5 +1,6 @@
 i.MX8MQ EVK BOARD
 M:	Peng Fan <peng.fan@nxp.com>
+M:	Fabio Estevam <festevam@gmail.com>
 S:	Maintained
 F:	board/freescale/imx8mq_evk/
 F:	include/configs/imx8mq_evk.h