qcacmn: Add a new QCA vendor attribute to configure wifi calling (wfc) state

Add QCA_WLAN_VENDOR_ATTR_CONFIG_WFC_STATE vendor attribute,
Userspace uses this attribute to configure wfc state to
Driver/Firmware. Driver/Firmware uses this information to
optimize power savings, rate adaption, roaming, etc.

Change-Id: If58bd1e64216de81af6cf82eaabd740b85729eac
CRs-Fixed: 3343034

os_if/linux/qca_vendor.h

@@ -5231,6 +5231,16 @@ enum qca_wlan_vendor_attr_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_BEAMFORMER_PERIODIC_SOUNDING = 85,
 
+	/* 8-bit unsigned value, whenever wifi calling (wfc) begin or end,
+	 * Userspace sends this information to driver/firmware to configure
+	 * wfc state. Driver/Firmware uses this information to
+	 * optimize power savings, rate adaption, roaming, etc.
+	 *
+	 * 1 - wfc is on.
+	 * 0 - wfc is off.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_WFC_STATE = 86,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_MAX =