RDKCMF-6324 Print Systems CPU and System Memory in telemetry format
RDKCMF-6324 Print Systems CPU and System Memory in telemetry format

Reason for change: Added 2 commands for printing following information
in top_log.txt
1. Free CPU
2. Free Memory
3. Used Memory
Corrected the script error due to copy paste
Test Procedure: Ensure we are getting following informations in top_log.txt
FREE_CPU:, USED_MEM: and FREE_MEM:
We are logging this informations every hour
Risks: Low

Change-Id: I76516759bb1b14d946660b968916db9fc86b5b6c
Signed-off-by: Vinu Palackal <b9c000dd474063aef1cbe744ba147aba1b229332@cable.comcast.com>

rdkcmf/rdk-sysint