phy: ti: j721e-wiz: Configure 'p_standard_mode' only for DP/QSGMII

Configure 'p_standard_mode' only for DP/QSGMII as for other modes
it's not used as per the programming sequence. Add "continue" in the
else to prevent random value from being written to p_standard_mode.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20210331131417.15596-1-kishon@ti.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/ti/phy-j721e-wiz.c

@@ -340,6 +340,8 @@ static int wiz_mode_select(struct wiz *wiz)
 			mode = LANE_MODE_GEN1;
 		else if (wiz->lane_phy_type[i] == PHY_TYPE_QSGMII)
 			mode = LANE_MODE_GEN2;
+		else
+			continue;
 
 		ret = regmap_field_write(wiz->p_standard_mode[i], mode);
 		if (ret)