board: toradex: change maintainer to Francesco

Marcel is leaving Toradex and the email will start bouncing in a few
weeks, move maintainership to myself.

Cc: Marcel Ziswiler <marcel@ziswiler.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/board/toradex/verdin-imx8mm/MAINTAINERS b/board/toradex/verdin-imx8mm/MAINTAINERS
index d567f0e..0d58a73 100644
--- a/board/toradex/verdin-imx8mm/MAINTAINERS
+++ b/board/toradex/verdin-imx8mm/MAINTAINERS
@@ -1,5 +1,5 @@
 Verdin iMX8M Mini
-M:	Marcel Ziswiler <marcel.ziswiler@toradex.com>
+M:	Francesco Dolcini <francesco.dolcini@toradex.com>
 W:	https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx-8m-mini
 S:	Maintained
 F:	arch/arm/dts/imx8mm-verdin-wifi-dev-u-boot.dtsi