feat(tc): add MHUv3 DT binding for TC3

MHUv3's device tree is different from MHUv2's. Add support MHUv3 DT
binding for TC3 while keeping TC2 as-is.

Change-Id: Ib2f55d3a64a4cfe2ea9e62fe39d27ed54a2ca007
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
diff --git a/fdts/tc3.dts b/fdts/tc3.dts
index 52b0856..fa4bed7 100644
--- a/fdts/tc3.dts
+++ b/fdts/tc3.dts
@@ -14,9 +14,17 @@
 #define MID_CAPACITY			686
 #define BIG_CAPACITY			1024
 
-#define INT_MBOX_RX			300
 #define MHU_TX_ADDR			46040000 /* hex */
+#define MHU_TX_COMPAT			"arm,mhuv3"
+#define MHU_TX_INT_NAME			""
+
 #define MHU_RX_ADDR			46140000 /* hex */
+#define MHU_RX_COMPAT			"arm,mhuv3"
+#define MHU_OFFSET			0x10000
+#define MHU_MBOX_CELLS			3
+#define MHU_RX_INT_NUM			300
+#define MHU_RX_INT_NAME			"combined-mbx"
+
 #define MPAM_ADDR			0x0 0x5f010000 /* 0x5f01_0000 */
 #define UARTCLK_FREQ			3750000