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/tc2.dts b/fdts/tc2.dts
index 288b40f..2cdfc6b 100644
--- a/fdts/tc2.dts
+++ b/fdts/tc2.dts
@@ -20,9 +20,17 @@
 #endif /* TARGET_FLAVOUR_FPGA */
 #define BIG_CAPACITY			1024
 
-#define INT_MBOX_RX			317
 #define MHU_TX_ADDR			45000000 /* hex */
+#define MHU_TX_COMPAT			"arm,mhuv2-tx","arm,primecell"
+#define MHU_TX_INT_NAME			"mhu_tx"
+
 #define MHU_RX_ADDR			45010000 /* hex */
+#define MHU_RX_COMPAT			"arm,mhuv2-rx","arm,primecell"
+#define MHU_OFFSET			0x1000
+#define MHU_MBOX_CELLS			2
+#define MHU_RX_INT_NUM			317
+#define MHU_RX_INT_NAME			"mhu_rx"
+
 #define MPAM_ADDR			0x1 0x00010000 /* 0x1_0001_0000 */
 #define UARTCLK_FREQ			5000000