MAINTAINERS: Add myself as reviewer of ARM FSL/NXP

I would like to help reviewing FSL/NXP ARM architecture patches.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7304d2e..79a3445 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1159,6 +1159,7 @@
 ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
 M:	Shawn Guo <shawnguo@kernel.org>
 M:	Sascha Hauer <kernel@pengutronix.de>
+R:	Fabio Estevam <fabio.estevam@nxp.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git