ci(lts): create email file

Create a file which contains patches that were observed if any of the
patches has a score greater than zero.

Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: I8cea1243dfbd4c46e61a4343f1ca5bab4bd5647b
diff --git a/lts/README b/lts/README
index 96315df..34ff44c 100644
--- a/lts/README
+++ b/lts/README
@@ -27,22 +27,26 @@
 MAX_PATCHSET_DEPTH which is the maximum number of commits we expect in the patchset
 submitted.
 
+At the end, if any commit has non-zero score, the script will create a file named at
+the path provided by --email_path argument.
+
 Running it:
 -----------
 
 To run it, provide it a path to a TF-A git repo. Here's help output for convenience:
 
-$ python lts/lts-triage.py -h
-usage: lts-triage.py [-h] --repo REPO [--debug]
+$ python lts-triage.py -h
+usage: lts-triage.py [-h] --repo REPO --email_path EMAIL_PATH [--debug]
 
 check patches for LTS candidacy
 
 options:
   -h, --help            show this help message and exit
   --repo REPO           path to tf-a git repo
+  --email_path EMAIL_PATH
+                        path including the filename for email file
   --debug               print debug logs
 
-
 Below is an example output. On left is commit hash of each of the commits
 observed by this script and on right is score assigned to it.