fix(tc): modify DPU configuration in dts for TC4 FPGA

TC4 FPGA DPU base addr and irq doesn't match with TC3 FPGA
so refactor the code to manage it accordingly.

Change-Id: Ie31933e0bcbd489945935829940a5c5434e6b1d7
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Icen.Zeyada <Icen.Zeyada2@arm.com>
diff --git a/fdts/tc3-4-base.dtsi b/fdts/tc3-4-base.dtsi
index 84aa8e8..049a4c6 100644
--- a/fdts/tc3-4-base.dtsi
+++ b/fdts/tc3-4-base.dtsi
@@ -22,10 +22,8 @@
 #if TARGET_FLAVOUR_FVP
 #define DPU_ADDR			4000000000
 #define DPU_IRQ				579
-#elif TARGET_FLAVOUR_FPGA
-#define DPU_ADDR			2cc00000
-#define DPU_IRQ				69
 #endif
+
 #include "tc-base.dtsi"
 
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