Fix iw_set_priv issue

extra parameter is null,
trying to access causes kernel panic.

Change-Id: I17cd3be1f21dd10c82ca5510ffe03c6ceef673ee
CRs-Fixed: 605932
wlan: Higher roam delay due to default logging

Roam delay increases because of the logs enabled by
default. As part of this change updated correct log level
from ERROR to INFO in HDD,SME and PE.
Change-Id: I3653b882f483bf230bde81e584891771bd4f9fe2
CRs-Fixed: 598067
Wlan: Revision 3.2.3.226

Revision 3.2.3.226