qcacld-3.0: Optimize string log size in hdd_rssi_threshold_breached

Optimize string log size in hdd API hdd_rssi_threshold_breached such
that wlan.ko size is optimized.

Change-Id: I71fb6fc8e9f71e52b11dc67aeec58095555eceaf
CRs-Fixed: 2271644
1 file changed