Update dot11f pack/unpack APIs for MLO IE and sta profile
subelement. Initially these APIs had break statements under
else condition for optional fields that prevented pack core
API being invoked for sta profile. The parser generator tool
code is modified to remove else condition for such optional
fields for the MLO IE.
Change-Id: Ieb9ff2ec7da5d4e6056aa4db80240aa847366882
CRs-Fixed: 2996635