qcacmn: QCA vendor attribute to configure BSS max idle period

Add a QCA vendor attribute to configure the driver with a specific BSS
max idle period value to advertise in (Re)Association Request frames.
This attribute is used for testing purposes.

Change-Id: Ibe98ab7947b759d9dcd3f963629de4dd6a86b543
CRs-Fixed: 2884705

os_if/linux/qca_vendor.h

@@ -8388,6 +8388,13 @@ enum qca_wlan_vendor_attr_wifi_test_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_FULL_BW_UL_MU_MIMO = 45,
 
+	/* 16-bit unsigned value to configure the driver with a specific BSS
+	 * max idle period to advertise in the BSS Max Idle Period element
+	 * (IEEE Std 802.11-2016, 9.4.2.79) in (Re)Association Request frames.
+	 * This attribute is used to configure the testbed device.
+	 */
+	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_BSS_MAX_IDLE_PERIOD = 46,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_MAX =