[DMI] Enabling datasync flag when the cmhandle is READY #2

[DMI] Enabling datasync flag when the cmhandle is READY #2

- enabling the datasync flag once the cmhandle is successfully registered
  with CPS-NCMP and in READY state
- data sync flag can only be enabled when it has fetched all the modules from the
  cm handles over the network
- testware added for the same
- removed the use of auth username and password when calling to register
  cm handle with NCMP

Issue-ID: CPS-2757
Change-Id: Ib97483e51f1c314d663c1954c96a3ba96b699f2e
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>