iwlwifi: mvm: rs: add rate scaling support for 160MHz channels

Expand TLC to support 160MHz channels. Full support for A-MSDU
case will be added separately.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index d4a7fe2..ee207f2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -205,6 +205,7 @@
 #define is_ht20(rate)         ((rate)->bw == RATE_MCS_CHAN_WIDTH_20)
 #define is_ht40(rate)         ((rate)->bw == RATE_MCS_CHAN_WIDTH_40)
 #define is_ht80(rate)         ((rate)->bw == RATE_MCS_CHAN_WIDTH_80)
+#define is_ht160(rate)        ((rate)->bw == RATE_MCS_CHAN_WIDTH_160)
 
 #define IWL_MAX_MCS_DISPLAY_SIZE	12