iwlwifi: add support for 6-7 GHz channels

Add UHB (ultra high band) channels and use 16 bit variables
to fit the new channels.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -383,6 +383,7 @@ struct iwl_csr_params {
  * @bisr_workaround: BISR hardware workaround (for 22260 series devices)
  * @min_txq_size: minimum number of slots required in a TX queue
  * @umac_prph_offset: offset to add to UMAC periphery address
+ * @uhb_supported: ultra high band channels supported
  *
  * We enable the driver to be backward compatible wrt. hardware features.
  * API differences in uCode shouldn't be handled here but through TLVs
@@ -433,7 +434,8 @@ struct iwl_cfg {
 	    gen2:1,
 	    cdb:1,
 	    dbgc_supported:1,
-	    bisr_workaround:1;
+	    bisr_workaround:1,
+	    uhb_supported:1;
 	u8 valid_tx_ant;
 	u8 valid_rx_ant;
 	u8 non_shared_ant;