qcacmn: Add spectral hardware generation attribute

Add spectral hardware generation attribute to
QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_CAP_INFO vendor command.

CRs-Fixed: 2225740
Change-Id: I81a2780319ea7b9c5a895dc3e41ad6730b8dd9bc

os_if/linux/qca_vendor.h

@@ -5397,6 +5397,11 @@ enum qca_wlan_vendor_attr_spectral_cap {
 	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_SPECTRAL = 3,
 	/* Flag attribute to indicate advanced spectral capability */
 	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_ADVANCED_SPECTRAL = 4,
+	/* Spectral hardware generation. u32 attribute.
+	 * It uses values defined in enum
+	 * qca_wlan_vendor_spectral_scan_cap_hw_gen.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_HW_GEN = 5,
 
 	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_MAX =
@@ -5473,6 +5478,21 @@ enum qca_wlan_vendor_attr_spectral_scan_request_type {
 	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_REQUEST_TYPE_CONFIG,
 };
 
+/**
+ * qca_wlan_vendor_spectral_scan_cap_hw_gen: Attribute values for
+ * QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CAP_HW_GEN to the vendor subcmd
+ * QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_CAP_INFO. This represents the
+ * spectral hardware generation.
+ * @QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_1: generation 1
+ * @QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_2: generation 2
+ * @QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_3: generation 3
+ */
+enum qca_wlan_vendor_spectral_scan_cap_hw_gen {
+	QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_1 = 0,
+	QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_2 = 1,
+	QCA_WLAN_VENDOR_SPECTRAL_SCAN_CAP_HW_GEN_3 = 2,
+};
+
 /**
  * enum qca_wlan_vendor_attr_rropavail_info - Specifies whether Representative
  * RF Operating Parameter (RROP) information is available, and if so, at which