RDK-41887 : Build supprt added to compile for both R2 & R4 thunder release

Reason for change: Build supprt added to compile for both R2 & R4 thunder release
Test Procedure: Verify in Jenkin Build
Risks: Medium
Signed-off-by: Karunakaran A <karunakaran_amirthalingam@cable.comcast.com>
Change-Id: Iebfb6080329d3f6575ba373fd2082f80df49df14