imx8mp_evk: Add myself to MAINTAINERS

I would like to help maintaining the imx8mp_evk board.

Add myself to MAINTAINERS.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/freescale/imx8mp_evk/MAINTAINERS b/board/freescale/imx8mp_evk/MAINTAINERS
index 2759652..c2c7c83 100644
--- a/board/freescale/imx8mp_evk/MAINTAINERS
+++ b/board/freescale/imx8mp_evk/MAINTAINERS
@@ -1,4 +1,5 @@
 i.MX8MP EVK BOARD
+M:	Fabio Estevm <festevam@gmail.com>
 M:	Peng Fan <peng.fan@nxp.com>
 S:	Maintained
 F:	board/freescale/imx8mp_evk/