MAINTAINERS: add miscdevice Rust abstractions

Add rust abstractions to miscdevice MAINTAINERS entry.

Signed-off-by: Tamir Duberstein <[email protected]>
Acked-by: Boqun Feng <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: tamird

MAINTAINERS

@@ -5568,6 +5568,7 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
 F:	drivers/char/
 F:	drivers/misc/
 F:	include/linux/miscdevice.h
+F:	rust/kernel/miscdevice.rs
 F:	samples/rust/rust_misc_device.rs
 X:	drivers/char/agp/
 X:	drivers/char/hw_random/