Fix error due to race around condition
Fix error due to race around condition

Reason for change: Fix for error in pCI upgrade due to race around condition between PCI and PDRI upgrade
Test Procedure: 1] Ensure PCI and PDRI upgrades are successful when both firmwares are different
2] Uprades needs to be tested for both TFTP and HTTP protocols
3] Perform regression tests for DIFD
Risks: Low
Signed-off-by: skv01 <Shibu_KV@cable.comcast.com>

Change-Id: Ic3a587e1030871d2acb1c2e2e9b4099d4aa14d9a

rdkcmf/rdk-sysint