staging: rtl8723au: PS_RDY_CHECK() return bools in 'bool'

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_pwrctrl.c

@@ -288,7 +288,7 @@ void rtw_set_rpwm23a(struct rtw_adapter *padapter, u8 pslv)
 	pwrpriv->cpwm = pslv;
 }
 
-static u8 PS_RDY_CHECK(struct rtw_adapter * padapter)
+static bool PS_RDY_CHECK(struct rtw_adapter * padapter)
 {
 	unsigned long delta_time;
 	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;