Adding json support for pdr generation

- Adding json files for pdr generation based on system type.

- In previous scenario pdr generating based on default
configuration but now it will also generate platform
specific pdr.

Change-Id: Ia36dc6bf90fe97eea3ed45880e464fe32083bf0d
Signed-off-by: Kamalkumar Patel <kamalkumar.patel@ibm.com>