Add support for Hafnium code coverage

Signed-off-by: Saul Romero <saul.romero@arm.com>
Change-Id: I79504f7a9a17cad04fb345528cfedff8775dc163
diff --git a/script/gen_merge_report.sh b/script/gen_merge_report.sh
index 6045a3b..4cd4f67 100644
--- a/script/gen_merge_report.sh
+++ b/script/gen_merge_report.sh
@@ -196,6 +196,9 @@
     tf*)
             project="trusted_firmware"
             jenkins_archive_folder=merge/outdir;;
+    spm*)
+            project="hafnium"
+            jenkins_archive_folder=merge/outdir;;
     *)
             exit 0;;
 esac