Update getgoalconfigs to return success when no dimms are found.
Update getgoalconfigs to return success when no dimms are found.

There were some additional checks done in case no dimms are found
such as checking for dimm sku consistency and allowed memory mode
This fix makes sure the function returns as early as possible when
no dimms are found.

Signed-off-by: James Sushanth Anandraj <5e55a276c5ad8927da565a0d87b619725f490f3e@intel.com>

intel/ipmctl,intel/ipmctl,intel/ipmctl,intel/ipmctl