net: wireless: bcmdhd  reduce kernel logging

Bug : 18226601
Signed-off-by: Ecco park <eccopark@broadcom.com>

Change-Id: Iec8172bf803b76517136d1a8903027b5ed162d31
net: wirelss: bcmdhd  fixed disconnect issue for connecting status

Sometimes Framework issues connect and disconnect rapidly and continuously
with different APs.  In this case, the timing gap between connect and
disconnect is less than 20ms.  For this scenario, FW doesn't do anything
when DHD executes dissasoc while state of FW is associating status.  In
order to cancel current assoc procedure correctly, we need to call
scan_abort function, not DISASSOC.  FW will clean up ongoing assoc
procedure if FW is associating status.

b/18470879 Device stop responding after conducting rapid fire testing
           for making connection

Change-Id: Ib440da06eb10313c478c004d1d73ed1b4e29a201
Signed-off-by: Ecco park <eccopark@broadcom.com>
Signed-off-by: Iliyan Malchev <malchev@google.com>