build(changelog): add new scope for DCC

Add new scope for the JTAG DCC (Debug Communication Channel).
Driver is available for quite some time at
drivers/arm/dcc/dcc_console.c.

Change-Id: I8be71dadb56bed2b64a26c8a009bda6bbc96240d
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/changelog.yaml b/changelog.yaml
index 7e75832..cdb0182 100644
--- a/changelog.yaml
+++ b/changelog.yaml
@@ -609,6 +609,9 @@
           - plat/xilinx
 
         subsections:
+          - title: DCC (Debug Communication Channel)
+            scope: dcc
+
           - title: Versal
             scope: versal