wlan :Increase the number of channel in channel avoidance support.

For CxM support for LTE-Carrier aggregation coexistence with wlan,
increase the number of channel in channel avoidance support from
4 to 15.

CRs-Fixed: 855340
Change-Id: I72e9b1a7eda79713af872e70e2cbef889dc235c7
diff --git a/CORE/HDD/inc/wlan_hdd_cfg80211.h b/CORE/HDD/inc/wlan_hdd_cfg80211.h
index df82845..2b49f15 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg80211.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg80211.h
@@ -880,7 +880,7 @@
 
 
 #ifdef FEATURE_WLAN_CH_AVOID
-#define HDD_MAX_AVOID_FREQ_RANGES   4
+#define HDD_MAX_AVOID_FREQ_RANGES   15
 typedef struct sHddAvoidFreqRange
 {
    u32 startFreq;