Declare a TPE pointer to store the TPE IE in the scan cache ie list.
Write a function to obtain the TPE IE stored in the scan cache ie list.
Declare a minimum TPE IE length as 2 Bytes and use that to check the
sanity of the received TPE IE before storing it. Discard the TPE IE if the
length check fails.
Change-Id: If5b06604b03d07dd5fb26a62f90fb7202ce4eff0
CRs-Fixed: 2826300