iwlwifi: bump FW API to 60 for AX devices

Start supporting API version 60 for AX devices.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210205110447.7b908f5dd970.Id2aec0d7d33921aba77ba9853196f81d5950c31c@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

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

@@ -9,7 +9,7 @@
 #include "iwl-prph.h"
 
 /* Highest firmware API version supported */
-#define IWL_22000_UCODE_API_MAX	59
+#define IWL_22000_UCODE_API_MAX	60
 
 /* Lowest firmware API version supported */
 #define IWL_22000_UCODE_API_MIN	39