net: dsa: realtek: rtl8365mb: add RTL8367RB-VB support

RTL8367RB-VB is a 5+2 port 10/100/1000M Ethernet switch.
It is similar to RTL8367S but in this version, both
external interfaces are RGMII.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/realtek/rtl8365mb.c

@@ -108,6 +108,9 @@
 #define RTL8365MB_CHIP_ID_8367S		0x6367
 #define RTL8365MB_CHIP_VER_8367S	0x00A0
 
+#define RTL8365MB_CHIP_ID_8367RB	0x6367
+#define RTL8365MB_CHIP_VER_8367RB	0x0020
+
 /* Family-specific data and limits */
 #define RTL8365MB_PHYADDRMAX		7
 #define RTL8365MB_NUM_PHYREGS		32
@@ -1979,6 +1982,11 @@ static int rtl8365mb_detect(struct realtek_priv *priv)
 				 "found an RTL8365MB-VC switch (ver=0x%04x)\n",
 				 chip_ver);
 			break;
+		case RTL8365MB_CHIP_VER_8367RB:
+			dev_info(priv->dev,
+				 "found an RTL8367RB-VB switch (ver=0x%04x)\n",
+				 chip_ver);
+			break;
 		case RTL8365MB_CHIP_VER_8367S:
 			dev_info(priv->dev,
 				 "found an RTL8367S switch (ver=0x%04x)\n",