qcacmn: vendor support to block scans

Add vendor command support to block all the
scans triggered from host.

Change-Id: Id225ebade05f6cba11382b0dd8f67e9d1ee006e4
CRs-Fixed: 2080146

os_if/linux/qca_vendor.h

@@ -3185,6 +3185,12 @@ enum qca_wlan_vendor_attr_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_RESTRICT_OFFCHANNEL = 49,
 
+	/*
+	 * 8 bit unsigned value to globally enable/disable scan
+	 * 1 - Enable, 0 - Disable.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_SCAN_ENABLE = 51,
+
 	/* 8-bit unsigned value to set the total beacon miss count */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TOTAL_BEACON_MISS_COUNT = 52,