MAINTAINERS: Update my email address

I'm not at bootlin anymore, and my mail address doesn't work any longer.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index a9a1049..c536566 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -366,7 +366,7 @@
 
 ARM SUNXI
 M:	Jagan Teki <jagan@amarulasolutions.com>
-M:	Maxime Ripard <maxime.ripard@bootlin.com>
+M:	Maxime Ripard <mripard@kernel.org>
 S:	Maintained
 T:	git https://gitlab.denx.de/u-boot/custodians/u-boot-sunxi.git
 F:	arch/arm/cpu/armv7/sunxi/