wlan: Fix for schedule scan print

wpa_supplicant periodically scans neighboring access points if the
wiphy capability WIPHY_FLAG_SUPPORTS_SCHED_SCAN is set. Any active
sessions do not allow scheduled scan. The log level of the print is
lowered to info. Also corrected another print on flushing pmksa
entries.

Change-Id: I80f8d007f66ac214c1bc468372bd93981cb06fe8
CRs-Fixed: 623339
wlan: fix static analysis issues in sme_Api.c
and wlan_hdd_cfg80211.c file.

'valid_ch' array elements were used uninitialized
and 'pstaParams' dereferenced by passing argument
to function 'csrTdlsChangePeerSta'

As a part of fix ,array 'valid_ch' is initialized
and a null check for 'StaParams' is introduced in
sme_ChangeTdlsPeerSta function.

Change-Id: Ib005d4ac4b7db12c05cb7c8fe57e477fc0a5885b
CRs-Fixed: 619827
wlan: Revision 3.2.3.259

Revision 3.2.3.259

Change-Id: I3f02bca1b542806bbf0e647a804bdbbb680b6184