ffdc: Change config file option to -c

- Change config file option to -c and expand printing of os-release info

Tests:
- Regression testing to OpenBmc, AIX and Ubuntu targets.

Signed-off-by: Peter D  Phan <peterp@us.ibm.com>
Change-Id: I43e2e6c81a7a9b27422884bee77bf50f426da0df
diff --git a/ffdc/ffdc_collector.py b/ffdc/ffdc_collector.py
index 6dbb530..9e18b69 100644
--- a/ffdc/ffdc_collector.py
+++ b/ffdc/ffdc_collector.py
@@ -107,7 +107,8 @@
         response = self.remoteclient.execute_command(command)
         if response:
             print("\n\t[INFO] %s /etc/os-release\n" % self.hostname)
-            print("\t\t %s" % self.find_os_type(response, 'PRETTY_NAME'))
+            for each_info in response:
+                print("\t\t %s" % each_info)
             identity = self.find_os_type(response, 'ID').split('=')[1].upper()
         else:
             response = self.remoteclient.execute_command('uname -a')