MAINTAINERS: replace a Microchip AT91 maintainer

As Ludovic is more focusing on other aspects of the Microchip
Linux-based development, replace him with Claudiu.
Entry is added to the CREDITS file.

Thanks Ludovic for these great contributions in the kernel space!

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/23819d8baa635815d0893955197561fe4f044d5e.1643553501.git.nicolas.ferre@microchip.com

CREDITS

@@ -895,6 +895,12 @@ S: 3000 FORE Drive
 S: Warrendale, Pennsylvania 15086
 S: USA
 
+N: Ludovic Desroches
+E: ludovic.desroches@microchip.com
+D: Maintainer for ARM/Microchip (AT91) SoC support
+D: Author of ADC, pinctrl, XDMA and SDHCI drivers for this platform
+S: France
+
 N: Martin Devera
 E: devik@cdi.cz
 W: http://luxik.cdi.cz/~devik/qos/

MAINTAINERS

@@ -2250,7 +2250,7 @@ F:	drivers/phy/mediatek/
 ARM/Microchip (AT91) SoC support
 M:	Nicolas Ferre <nicolas.ferre@microchip.com>
 M:	Alexandre Belloni <alexandre.belloni@bootlin.com>
-M:	Ludovic Desroches <ludovic.desroches@microchip.com>
+M:	Claudiu Beznea <claudiu.beznea@microchip.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Supported
 W:	http://www.linux4sam.org