MAINTAINERS: i2c mv64xxx: Update documentation path

Update MAINTAINERS record to reflect the file move
from i2c-mv64xxx.txt to marvell,mv64xxx-i2c.yaml.

Fixes: f8bbde72 ("dt-bindings: i2c: mv64xxx: Add YAML schemas")
Signed-off-by: NDenis Efremov <efremov@linux.com>
Acked-by: NMaxime Ripard <mripard@kernel.org>
Acked-by: NGregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

MAINTAINERS

@@ -7513,7 +7513,7 @@ I2C MV64XXX MARVELL AND ALLWINNER DRIVER
 M:	Gregory CLEMENT <gregory.clement@bootlin.com>
 L:	linux-i2c@vger.kernel.org
 S:	Maintained
-F:	Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
+F:	Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
 F:	drivers/i2c/busses/i2c-mv64xxx.c
 
 I2C OVER PARALLEL PORT