This patch renames mcp251xfd_chip_clock_enable() into mcp251xfd_chip_wake() as
this function actually wakes the chip. Additionally the documentation is
adopted.

Link: https://lore.kernel.org/all/20220207131047.282110-12-mkl@pengutronix.deCo-developed-by: Magnus Aagaard Sørensen <mas@csselectronics.com>
Signed-off-by: Magnus Aagaard Sørensen <mas@csselectronics.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>