Add change in wlan_lmac_if_open() to return success
if device type is valid, else return invalid and handle
failure appropriately in caller.
Change-Id: I77a0620d4d64b18e28ce2cef7b5fb3dc7fb844ba
CRs-Fixed: 1096016
Add framework in UMAC to access LMAC and to be accessed
by LMAC through callback APIs
Change-Id: Ie829f3ba90fbc399d993d862dbf5f9ad348e3bbd
CRs-Fixed: 1096016