qcacld-3.0: Modify condition to send 6GHz HE caps

The 6GHz HE capability macros were backported from kernel version 5.8
into 5.4, so change the check for kernel version to simply check for
the macro definition itself.

Change-Id: I86a9dfa964356ba65bd21ffef802042d442356bc
CRs-fixed: 2960286

core/hdd/src/wlan_hdd_main.c

@@ -203,6 +203,7 @@
 #include "wlan_hdd_bus_bandwidth.h"
 #include "wlan_hdd_medium_assess.h"
 #include "wlan_hdd_eht.h"
+#include <linux/bitfield.h>
 
 #ifdef MODULE
 #define WLAN_MODULE_NAME  module_name(THIS_MODULE)
@@ -2321,7 +2322,7 @@ static void hdd_extract_fw_version_info(struct hdd_context *hdd_ctx)
 	(defined(CFG80211_SBAND_IFTYPE_DATA_BACKPORT) || \
 	 (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)))
 
-#if defined(CONFIG_BAND_6GHZ) && (KERNEL_VERSION(5, 8, 0) <= LINUX_VERSION_CODE)
+#if defined(CONFIG_BAND_6GHZ) && (defined(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START))
 static void hdd_update_wiphy_he_6ghz_capa(struct hdd_context *hdd_ctx)
 {
 	uint16_t he_6ghz_capa = 0;