rmm: update translate_refspec with RMM entries

Update project entries with RMM details that can
be used during cloning of RMM repo in local setup.
Also, fixed REFSPEC name for RMM, and copy/paste
errors in the comment.

Change-Id: I9f70a9f2fa01990dc9a9d225013c8b99892a4852
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/script/build_package.sh b/script/build_package.sh
index 3cd116f..2e45da0 100755
--- a/script/build_package.sh
+++ b/script/build_package.sh
@@ -1388,7 +1388,7 @@
 fi
 
 if [ "$rmm_config" ] && assert_can_git_clone "rmm_root"; then
-	# If the Trusted Firmware TF repository has already been checked out,
+	# If the RMM repository has already been checked out,
 	# use that location. Otherwise, clone one ourselves.
 	echo "Cloning TF-RMM..."
 	clone_url="${RMM_CHECKOUT_LOC:-$rmm_src_repo_url}" where="$rmm_root" \