MAINTAINERS: repair Miquel Raynal's email address

Commit d70c6b02 ("MAINTAINERS: Add PL353 NAND controller entry") and
commit 813d5279 ("MAINTAINERS: Add PL353 SMC entry") adds Miquel
Raynal as maintainer with an obvious invalid email address, which can be
easily fixed.

Repair this copy-and-paste error in Miquel Raynal's email address.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210726144949.10439-1-lukas.bulwahn@gmail.com

MAINTAINERS

@@ -1475,7 +1475,7 @@ F:	drivers/amba/
 F:	include/linux/amba/bus.h
 
 ARM PRIMECELL PL35X NAND CONTROLLER DRIVER
-M:	Miquel Raynal <miquel.raynal@bootlin.com@bootlin.com>
+M:	Miquel Raynal <miquel.raynal@bootlin.com>
 M:	Naga Sureshkumar Relli <nagasure@xilinx.com>
 L:	linux-mtd@lists.infradead.org
 S:	Maintained
@@ -1483,7 +1483,7 @@ F:	Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
 F:	drivers/mtd/nand/raw/pl35x-nand-controller.c
 
 ARM PRIMECELL PL35X SMC DRIVER
-M:	Miquel Raynal <miquel.raynal@bootlin.com@bootlin.com>
+M:	Miquel Raynal <miquel.raynal@bootlin.com>
 M:	Naga Sureshkumar Relli <nagasure@xilinx.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained