Update CPS version in DMI

- updated the cps core version from 3.1.4 to 3.1.5
- Step 3 of the release process

Issue-ID: CPS-1353
Change-Id: I7a6a7f1f05e1b118d132ff40d0a6f7c0565d8a91
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
1 file changed