SecurityPkg.ci.yaml: Add debug macro exception

Adds a CI YAML entry to acknowledge a case where a single argument
is matched to a format specifier with a ternary operator.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>

SecurityPkg/SecurityPkg.ci.yaml

@@ -106,5 +106,14 @@
 
     "Defines": {
         "BLD_*_CONTINUOUS_INTEGRATION": "TRUE",
+    },
+
+    "DebugMacroCheck": {
+      "StringSubstitutions": {
+          # SecurityPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c
+          # Reason: Acknowledging use of two format specifiers in string with one argument
+          #         Replace ternary operator in debug string with single specifier
+          'Index == COLUME_SIZE/2 ? " | %02x" : " %02x"': "%d"
+      }
     }
 }