MAINTAINERS: Use my personal e-mail address

Use my personal e-mail address for U-Boot related work.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
diff --git a/board/freescale/mx28evk/MAINTAINERS b/board/freescale/mx28evk/MAINTAINERS
index a98a705..597118d 100644
--- a/board/freescale/mx28evk/MAINTAINERS
+++ b/board/freescale/mx28evk/MAINTAINERS
@@ -1,5 +1,5 @@
 MX28EVK BOARD
-M:	Fabio Estevam <fabio.estevam@nxp.com>
+M:	Fabio Estevam <festevam@gmail.com>
 S:	Maintained
 F:	board/freescale/mx28evk/
 F:	include/configs/mx28evk.h