wifi: iwlwifi: bump FW API to 75 for AX devices

Start supporting API version 75 for AX devices.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100040.f08a27944fc6.Iafe3a2db2b91072a559038b85eca7b6b322be3ff@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/cfg/22000.c

@@ -10,7 +10,7 @@
 #include "fw/api/txq.h"
 
 /* Highest firmware API version supported */
-#define IWL_22000_UCODE_API_MAX	74
+#define IWL_22000_UCODE_API_MAX	75
 
 /* Lowest firmware API version supported */
 #define IWL_22000_UCODE_API_MIN	39