qcacmn: Add channel load percentage attribute into QCA vendor command

Add channel load percentage attribute in enum ll_stats_results.

Change-Id: Ib3603730e93d70ab1adc384b0c438f198fc889e9
CRs-Fixed: 2990868

os_if/linux/qca_vendor.h

@@ -2237,6 +2237,8 @@ enum qca_wlan_vendor_attr_ll_stats_results_type {
  * @QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_RX_TIME:  Unsigned int 32bit
  *      value representing total number of msecs the radio is receiving all
  *      802.11 frames intended for this device on this channel.
+ * @QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_LOAD_PERCENTAGE: u8 value
+ *	representing the channel load percentage. Possible values are 0-100.
  * @QCA_WLAN_VENDOR_ATTR_LL_STATS_AFTER_LAST: After last
  * @QCA_WLAN_VENDOR_ATTR_FEATURE_SET_MAX: Max value
  */
@@ -2344,6 +2346,7 @@ enum qca_wlan_vendor_attr_ll_stats_results {
 
 	QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_TX_TIME = 84,
 	QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_RX_TIME = 85,
+	QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_LOAD_PERCENTAGE = 86,
 
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_LL_STATS_AFTER_LAST,