qcacld-3.0: Extend max psk_pmk size to 48, avoid overflow issue

Extend max psk_pmk size to 48, avoid overflow issue. For
WPA-EAP-SUITE-B-192 key_mgmt AP, pmk_len is up to 48 bytes.

Change-Id: I41397283e9ef2d452b7d9d40e9ddffbfb8a676ac
CRs-Fixed: 2353860
1 file changed