wifi: radiotap: add bandwidth definition of EHT U-SIG

Define EHT U-SIG bandwidth used by radiotap according to Table 36-28
"U-SIG field of an EHT MU PPDU" in 802.11be (D3.0).
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231011115256.6121-2-pkshih@realtek.com

include/net/ieee80211_radiotap.h

@@ -539,6 +539,12 @@ enum ieee80211_radiotap_eht_usig_common {
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK	= 0x00000080,
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER		= 0x00007000,
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW			= 0x00038000,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_20MHZ		= 0,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_40MHZ		= 1,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_80MHZ		= 2,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_160MHZ		= 3,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_320MHZ_1		= 4,
+		IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_320MHZ_2		= 5,
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL		= 0x00040000,
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR		= 0x01f80000,
 	IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP			= 0xfe000000,