MAINTAINERS: driver core: mark Rafael and Danilo as co-maintainers

In talking it over with Rafael and Danilo, it makes more sense for
everyone to be a maintainer here, to share the load where possible.

Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/2025031634-playing-lark-95f9@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: gregkh

MAINTAINERS

@@ -7101,8 +7101,8 @@ F:	include/linux/component.h
 
 DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
 M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-R:	"Rafael J. Wysocki" <rafael@kernel.org>
-R:	Danilo Krummrich <dakr@kernel.org>
+M:	"Rafael J. Wysocki" <rafael@kernel.org>
+M:	Danilo Krummrich <dakr@kernel.org>
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
 F:	Documentation/core-api/kobject.rst