kobject: documentation: Fix erroneous example in kobject doc.

Replace uio_mem example for kobjects with uio_map, since the uio_mem
struct no longer contains a kobject.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 file changed