staging: r8188eu: remove macro rtw_pwr_wakeup()

After previous cleanups the rtw_pwr_wakeup() macro is just an alias
for _rtw_pwr_wakeup(). Remove the macro and rename _rtw_pwr_wakeup()
to rtw_pwr_wakeup().

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220403103713.12883-4-straube.linux@gmail.com


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