The retrieval of driver data via of_device_get_match_data() can make
the code simpler.

Use of_device_get_match_data() to simplify the code.
Signed-off-by: NFabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210118124447.1632092-1-festevam@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>