staging: r8188eu: clean up comment for rtw_pwr_wakeup()

Clean up the comment for rtw_pwr_wakeup() by removing obvious
information.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220403103713.12883-5-straube.linux@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>