plat:xilinx:zynqmp: Add JTAG DCC support

As per the new multi-console framework, updating the JTAG DCC support.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Change-Id: I62cfbb57ae7e454fbc91d1c54aafa6e99f9a35c8
diff --git a/docs/plat/xilinx-zynqmp.rst b/docs/plat/xilinx-zynqmp.rst
index 5db4488..79c2535 100644
--- a/docs/plat/xilinx-zynqmp.rst
+++ b/docs/plat/xilinx-zynqmp.rst
@@ -22,6 +22,12 @@
 
     make CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp SPD=tspd bl31 bl32
 
+To build TF-A for JTAG DCC console:
+
+.. code:: bash
+
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp RESET_TO_BL31=1 bl31 ZYNQMP_CONSOLE=dcc
+
 ZynqMP platform specific build options
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