MAINTAINERS: Change Maintainer for some at91 drivers

I hand over the maintenance of these drivers to my colleagues. Claudiu,
Codrin and Tudor already have experience with these controllers and
sub-systems.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20200702134224.3750-1-nicolas.ferre@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -11168,17 +11168,17 @@ F:	drivers/iio/adc/at91-sama5d2_adc.c
 F:	include/dt-bindings/iio/adc/at91-sama5d2_adc.h
 
 MICROCHIP SAMA5D2-COMPATIBLE SHUTDOWN CONTROLLER
-M:	Nicolas Ferre <nicolas.ferre@microchip.com>
+M:	Claudiu Beznea <claudiu.beznea@microchip.com>
 S:	Supported
 F:	drivers/power/reset/at91-sama5d2_shdwc.c
 
 MICROCHIP SPI DRIVER
-M:	Nicolas Ferre <nicolas.ferre@microchip.com>
+M:	Tudor Ambarus <tudor.ambarus@microchip.com>
 S:	Supported
 F:	drivers/spi/spi-atmel.*
 
 MICROCHIP SSC DRIVER
-M:	Nicolas Ferre <nicolas.ferre@microchip.com>
+M:	Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Supported
 F:	drivers/misc/atmel-ssc.c