The channel_list array for pcl channels is defined with size
QDF_MAX_NUM_CHAN. The index for the channel_list array can go
beyond QDF_MAX_NUM_CHAN.
The fix is to take care that the index for the channel list
for pcl channels does not exceed QDF_MAX_NUM_CHAN.
Change-Id: I1afd7e4b0ee13e02611cbc5f56a27d1da9ef06a6
CRs-Fixed: 1093129