As part of HOLB monitoring, uc will clear the HOLB discard if
it was set as part of HOLB monitoring or it can clear if
peripheral recovers just before receiving HOLB_DEL command.
Make change to set HOLB discard back if it was intended to be
configured from AP as part of disconnect scenarios.
Change-Id: I6659a62499150844c3b540fadb4ba8b9535f5e45
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>