MAINTAINERS: Remove Conor Culhane from Silvaco I3C

Conor Culhane's email address ([email protected]) is no longer
accessible, and there has been no activity from him on
https://lore.kernel.org/linux-i3c/ in the past two years.

To avoid email delivery failure messages when sending patches to the I3C
mailing list, remove him from the Maintainers section and move him to the
credits.

Signed-off-by: Frank Li <[email protected]>
Acked-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Belloni <[email protected]>

Author: nxpfrankli

CREDITS

@@ -855,6 +855,10 @@ N: John Crispin
 E: [email protected]
 D: MediaTek MT7623 Gigabit ethernet support
 
+N: Conor Culhane
+E: [email protected]
+D: Silvaco I3C master driver
+
 N: Laurence Culhane
 E: [email protected]
 D: Wrote the initial alpha SLIP code

MAINTAINERS

@@ -21662,7 +21662,6 @@ F:	drivers/video/fbdev/sm712*
 
 SILVACO I3C DUAL-ROLE MASTER
 M:	Miquel Raynal <[email protected]>
-M:	Conor Culhane <[email protected]>
 L:	[email protected] (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml