MAINTAINERS: add myself as maintainer for mcp16502

Andrei is no longer with Microchip. Add myself as maintainer for
MCP16502. Along with this change the status from maintained to
supported.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1610028927-9842-4-git-send-email-claudiu.beznea@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -11690,9 +11690,9 @@ F:	drivers/video/fbdev/atmel_lcdfb.c
 F:	include/video/atmel_lcdc.h
 
 MICROCHIP MCP16502 PMIC DRIVER
-M:	Andrei Stefanescu <andrei.stefanescu@microchip.com>
+M:	Claudiu Beznea <claudiu.beznea@microchip.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:	Maintained
+S:	Supported
 F:	Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt
 F:	drivers/regulator/mcp16502.c