iwlwifi: mvm: fix typo in CONFIG option

I forgot to rename the CPTCFG_ prefix...

Fixes: 484b3d13b4ac ("iwlwifi: mvm: add debugfs entry with the number of net-detect scans")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/d3.c

@@ -1726,7 +1726,7 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm,
 	results->matched_profiles = le32_to_cpu(query->matched_profiles);
 	memcpy(results->matches, query->matches, sizeof(results->matches));
 
-#ifdef CPTCFG_IWLWIFI_DEBUGFS
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	mvm->last_netdetect_scans = le32_to_cpu(query->n_scans_done);
 #endif