qcacld-3.0: Fix typo "deafult"

Replace typo "deafult" with the correct spelling "default"

Change-Id: Ieee2917cf1a094468249424dd6558acdefd237a3
CRs-Fixed: 2237730

core/hdd/inc/wlan_hdd_wowl.h

@@ -74,7 +74,7 @@
  *
  * PBM (when enabled) can perform filtering on unicast data or
  * broadcast data or both. These configurations are part of factory
- * defaults (cfg.dat) and the deafult behavior is to perform filtering
+ * defaults (cfg.dat) and the default behavior is to perform filtering
  * on both unicast and data frames.
  *
  * MP filtering (when enabled) is performed ALWAYS on both unicast and