Add README for log collector script

Change-Id: I1412acce6526ce94ce77621b66b8791b2c10aeac
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ffdc/README.md b/ffdc/README.md
new file mode 100755
index 0000000..acdaede
--- /dev/null
+++ b/ffdc/README.md
@@ -0,0 +1,35 @@
+# CLI options for log collector
+
+```
+$ python3 collect_ffdc.py -h
+Usage: collect_ffdc.py [OPTIONS]
+
+  Stand alone CLI to generate and collect FFDC from the selected target.
+
+Options:
+  -r, --remote TEXT     Hostname/IP of the remote host
+  -u, --username TEXT   Username of the remote host.
+  -p, --password TEXT   Password of the remote host.
+  -c, --config TEXT     YAML Configuration file for log collection.  [default:
+                        <local path>/openbmc-test-automation/ffdc/ffdc_config.yaml]
+  -l, --location TEXT   Location to save logs  [default: /tmp]
+  -t, --type TEXT       OS type of the remote (targeting) host. OPENBMC, RHEL,
+                        UBUNTU, SLES, AIX
+  -rp, --protocol TEXT  Select protocol to communicate with remote host.
+                        [default: ALL]
+  -e, --env_vars TEXT   Environment variables e.g: {'var':value}
+  --log_level TEXT      Log level (CRITICAL, ERROR, WARNING, INFO, DEBUG)
+                        [default: INFO]
+  -h, --help            Show this message and exit.
+```
+
+# Tools and packages dependencies
+
+```
+   Python          3.6.12 or latter
+   PyYAML           5.4.1
+   click            8.0.1
+   paramiko         2.7.2
+   redfishtool      1.1.1
+   ipmitool         1.8.18
+```