staging: r8188eu: remove unused parameter from _rtw_pwr_wakeup()

The parameter 'caller' of _rtw_pwr_wakeup() is not used. Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220403103713.12883-2-straube.linux@gmail.com


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