staging: rtl8723bs: remove unnecessary parentheses in if-condition in core/rtw_pwrctrl.c

staging: rtl8723bs: remove unnecessary parentheses in if-condition in core/rtw_pwrctrl.c

fix following post-commit hook checkpatch issues:

CHECK: Unnecessary parentheses around 'pwrpriv->rpwm == pslv'
26: FILE: drivers/staging/rtl8723bs/core/rtw_pwrctrl.c:269:
+		if ((pwrpriv->rpwm == pslv) ||
+		    ((pwrpriv->rpwm >= PS_STATE_S2)
	&& (pslv >= PS_STATE_S2)))

CHECK: Unnecessary parentheses around 'pwrpriv->rpwm >= PS_STATE_S2'
26: FILE: drivers/staging/rtl8723bs/core/rtw_pwrctrl.c:269:
+		if ((pwrpriv->rpwm == pslv) ||
+		    ((pwrpriv->rpwm >= PS_STATE_S2)
	&& (pslv >= PS_STATE_S2)))

CHECK: Unnecessary parentheses around 'pslv >= PS_STATE_S2'
26: FILE: drivers/staging/rtl8723bs/core/rtw_pwrctrl.c:269:
+		if ((pwrpriv->rpwm == pslv) ||
+		    ((pwrpriv->rpwm >= PS_STATE_S2)
	&& (pslv >= PS_STATE_S2)))

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/d4d1d256586cbdfc55157b0b384b28d53a61c2b8.1617545239.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>