MAINTAINERS: i2c: at91: handover maintenance to Codrin Ciubotariu

My colleague Codrin Ciubotariu, now, maintains this driver internally.
Then I handover the mainline maintenance to him.
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

MAINTAINERS

@@ -11240,7 +11240,7 @@ S:	Maintained
 F:	drivers/crypto/atmel-ecc.*
 
 MICROCHIP I2C DRIVER
-M:	Ludovic Desroches <ludovic.desroches@microchip.com>
+M:	Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
 L:	linux-i2c@vger.kernel.org
 S:	Supported
 F:	drivers/i2c/busses/i2c-at91-*.c