staging: r8188eu: remove constant parameter from _rtw_pwr_wakeup()

The parameter 'ips_deffer_ms' of _rtw_pwr_wakeup() is always
RTW_PWR_STATE_CHK_INTERVAL. Make it local.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220403103713.12883-3-straube.linux@gmail.com


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