staging: rtl8723bs: Merge conditionals with similar bodies.

Two conditionals that set 'channel' based on 'band_type' in
'phy_get_tx_pwr_lmt()' can be simplified into one single-line conditional.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/hal_com_phycfg.c

@@ -1738,12 +1738,8 @@ s8 phy_get_tx_pwr_lmt(struct adapter *adapter, u32 reg_pwr_tbl_sel,
 		idx_bandwidth = 1;
 	}
 
-	if (band_type == BAND_ON_2_4G)
-		channel = phy_GetChannelIndexOfTxPowerLimit(BAND_ON_2_4G,
-							    channel);
-	else if (band_type == BAND_ON_5G)
-		channel = phy_GetChannelIndexOfTxPowerLimit(BAND_ON_5G,
-							    channel);
+	if (band_type == BAND_ON_2_4G || band_type == BAND_ON_5G)
+		channel = phy_GetChannelIndexOfTxPowerLimit(band_type, channel);
 
 	if (idx_band == -1 || idx_regulation == -1 || idx_bandwidth == -1 ||
 	    idx_rate_sctn == -1 || idx_channel == -1) {