net: ti: cpsw: fix mac tx internal delay for rgmii-rxid mode

Now TI CPSW driver will disable MAC TX internal delay for PHY interface
mode "rgmii-rxid" which is incorrect.

Hence, fix it by keeping default value (enabled) for MAC TX internal delay
when "rgmii-rxid" interface mode is selected.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
diff --git a/drivers/net/ti/cpsw.c b/drivers/net/ti/cpsw.c
index 2426536..4089834 100644
--- a/drivers/net/ti/cpsw.c
+++ b/drivers/net/ti/cpsw.c
@@ -1072,10 +1072,10 @@
 		break;
 
 	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
 		mode = AM33XX_GMII_SEL_MODE_RGMII;
 		break;
 	case PHY_INTERFACE_MODE_RGMII_ID:
-	case PHY_INTERFACE_MODE_RGMII_RXID:
 	case PHY_INTERFACE_MODE_RGMII_TXID:
 		mode = AM33XX_GMII_SEL_MODE_RGMII;
 		rgmii_id = true;