refactor(tc): clarify msc0 DT node

This node specifies the location of the MPAM registers for the DSU.
Rename the node to clarify this.

Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
Signed-off-by: Icen.Zeyada <Icen.Zeyada2@arm.com>
Change-Id: Ie870a7f31acbc44dd943e76896219b9bbdd7d5b4
diff --git a/fdts/tc2.dts b/fdts/tc2.dts
index 003efdc..8aa77ce 100644
--- a/fdts/tc2.dts
+++ b/fdts/tc2.dts
@@ -35,7 +35,7 @@
 #define MID_CPU_PMU_COMPATIBLE		"arm,cortex-a720-pmu"
 #define BIG_CPU_PMU_COMPATIBLE		"arm,cortex-x4-pmu"
 
-#define MPAM_ADDR			0x1 0x00010000 /* 0x1_0001_0000 */
+#define DSU_MPAM_ADDR			0x1 0x00010000 /* 0x1_0001_0000 */
 
 #define DPU_ADDR			2cc00000
 #define DPU_IRQ				69